schematics update
diff --git a/xschem/analog_wrapper_tb.sch b/xschem/analog_wrapper_tb.sch
index d9b605c..7a7c47f 100644
--- a/xschem/analog_wrapper_tb.sch
+++ b/xschem/analog_wrapper_tb.sch
@@ -1,4 +1,4 @@
-v {xschem version=2.9.9 file_version=1.2 }
+v {xschem version=3.0.0 file_version=1.2 }
G {}
K {}
V {}
@@ -9,68 +9,65 @@
N 300 -250 430 -250 { lab=GND}
N 510 -250 510 -150 { lab=GND}
N 510 -150 780 -150 { lab=GND}
-N 780 -190 780 -150 { lab=GND}
N 690 -190 690 -150 { lab=GND}
N 590 -190 590 -150 { lab=GND}
N 300 -210 400 -210 { lab=#net2}
-N 480 -270 480 -210 { lab=#net2}
-N 480 -270 690 -270 { lab=#net2}
-N 690 -270 690 -250 { lab=#net2}
-N 300 10 450 10 { lab=#net3}
-N 850 -270 850 0 { lab=io_analog[4]}
-N 780 -270 850 -270 { lab=io_analog[4]}
-N 780 -270 780 -250 { lab=io_analog[4]}
-N 300 30 470 30 { lab=#net4}
-N 300 50 410 50 { lab=#net5}
-N 530 10 660 10 { lab=io_analog[10:0]}
+N 300 10 450 10 { lab=io_analog[10:0]}
+N 690 -270 690 -250 { lab=io_analog[2]}
+N 300 30 470 30 { lab=#net3}
+N 300 50 410 50 { lab=#net4}
N 510 -290 590 -290 { lab=#net1}
N 430 -250 510 -250 { lab=GND}
-N 400 -210 480 -210 { lab=#net2}
-N 460 10 530 10 { lab=io_analog[10:0]}
-N 670 0 850 -0 { lab=io_analog[4]}
-N 300 -270 400 -270 { lab=#net8}
-N 300 -230 400 -230 { lab=#net9}
-N 300 -190 400 -190 { lab=#net10}
-N 300 -190 400 -190 { lab=#net10}
-N 300 -170 400 -170 { lab=#net11}
-N 290 -150 390 -150 { lab=#net12}
-N 290 -130 390 -130 { lab=#net13}
-N 290 -110 390 -110 { lab=#net14}
-N 300 -90 400 -90 { lab=#net15}
-N 300 -10 400 -10 { lab=#net16}
-N 300 70 400 70 { lab=#net17}
-N -60 -290 -0 -290 { lab=#net18}
-N -60 -270 0 -270 { lab=#net19}
-N -60 -250 0 -250 { lab=#net20}
-N -60 -230 0 -230 { lab=#net21}
-N -60 -210 0 -210 { lab=#net22}
-N -60 -210 0 -210 { lab=#net22}
-N -60 -190 0 -190 { lab=#net23}
-N -60 -190 0 -190 { lab=#net23}
-N -60 -170 0 -170 { lab=#net24}
-N -60 -150 0 -150 { lab=#net25}
-N -60 -130 0 -130 { lab=#net26}
-N -60 -110 0 -110 { lab=#net27}
-N -60 -90 0 -90 { lab=#net28}
-N -60 -70 0 -70 { lab=#net29}
-N -60 -50 0 -50 { lab=#net30}
-N 300 -70 400 -70 {}
-N 300 -50 400 -50 {}
-N 300 -30 400 -30 {}
+N 300 -270 400 -270 { lab=#net5}
+N 300 -230 400 -230 { lab=#net6}
+N 300 -190 400 -190 { lab=#net7}
+N 300 -190 400 -190 { lab=#net7}
+N 300 -170 400 -170 { lab=#net8}
+N 290 -150 390 -150 { lab=#net9}
+N 290 -130 390 -130 { lab=#net10}
+N 290 -110 390 -110 { lab=#net11}
+N 300 -90 400 -90 { lab=#net12}
+N 300 -10 400 -10 { lab=#net13}
+N 300 70 400 70 { lab=#net14}
+N -60 -290 -0 -290 { lab=#net15}
+N -60 -270 0 -270 { lab=#net16}
+N -60 -250 0 -250 { lab=#net17}
+N -60 -230 0 -230 { lab=#net18}
+N -60 -210 0 -210 { lab=#net19}
+N -60 -210 0 -210 { lab=#net19}
+N -60 -190 0 -190 { lab=#net20}
+N -60 -190 0 -190 { lab=#net20}
+N -60 -170 0 -170 { lab=#net21}
+N -60 -150 0 -150 { lab=#net22}
+N -60 -130 0 -130 { lab=#net23}
+N -60 -110 0 -110 { lab=#net24}
+N -60 -90 0 -90 { lab=#net25}
+N -60 -70 0 -70 { lab=#net26}
+N -60 -50 0 -50 { lab=#net27}
+N 300 -70 400 -70 { lab=#net28}
+N 300 -50 400 -50 { lab=#net29}
+N 300 -30 400 -30 { lab=#net30}
+N 780 -190 780 -150 { lab=GND}
+N 780 -270 780 -250 { lab=io_analog[3]}
+N 780 -150 870 -150 { lab=GND}
+N 870 -190 870 -150 { lab=GND}
+N 870 -270 870 -250 { lab=io_analog[0]}
+N 450 10 570 10 { lab=io_analog[10:0]}
C {user_analog_project_wrapper.sym} 150 -110 0 0 {name=x1}
-C {devices/vsource.sym} 590 -220 0 0 {name=V1 value="PWL(0.0 0 400u 0 5.4m 3.3)"}
-C {devices/vsource.sym} 690 -220 0 0 {name=V2 value="PWL(0.0 0 300u 0 5.3 1.8)"}
-C {devices/vsource.sym} 780 -220 0 0 {name=V3 value="PWL(0.0 0 100u 0 5m 3.3)"}
-C {devices/bus_connect.sym} 660 10 1 1 {name=l1 lab=io_analog[4]}
+C {devices/vsource.sym} 590 -220 0 0 {name=V1 value=3.3}
+C {devices/vsource.sym} 690 -220 0 0 {name=V3 value="sin(1.65 1.65 100k)"}
C {devices/gnd.sym} 730 -150 0 0 {name=l2 lab=GND}
C {devices/lab_pin.sym} 570 10 0 0 {name=l12 sig_type=std_logic lab=io_analog[10:0]}
C {devices/code.sym} 920 -130 0 0 {name=TT_MODELS only_toplevel=false
-format="tcleval(@value )" value=".lib \\\\$::SKYWATER_MODELS\\\\/sky130.lib.spice tt
-.include \\\\$::PDKPATH\\\\/libs.ref/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice"}
-C {devices/code_shown.sym} 1100 -130 0 0 {name=s1
-only_toplevel=false
-value=".control
-tran 10u 20m
-plot V(\\"io_out[11]\\") V(\\"io_out[12]\\") V(\\"io_out[15]\\") V(\\"io_out[16]\\")
-+ V(\\"gpio_analog[3]\\") V(\\"gpio_analog[7]\\")
-.endc"}
+format="tcleval(@value )" value=".lib \\\\$::SKYWATER_MODELS\\\\/sky130.lib.spice tt"}
+C {devices/code_shown.sym} 1100 -130 0 0 {name=SPICE only_toplevel=false value=".tran 1n 100u
+.save all"}
+C {devices/lab_pin.sym} 690 -270 1 0 {name=l1 sig_type=std_logic lab=io_analog[2]}
+C {devices/vsource.sym} 780 -220 0 0 {name=V2 value="pulse(0 3.3 1u 100u 100u 1 1)"}
+C {devices/lab_pin.sym} 780 -270 1 0 {name=l3 sig_type=std_logic lab=io_analog[3]}
+C {devices/capa.sym} 870 -220 0 0 {name=C1
+m=1
+value=10p
+footprint=1206
+device="ceramic capacitor"}
+C {devices/lab_pin.sym} 870 -270 1 0 {name=l4 sig_type=std_logic lab=io_analog[0]}
diff --git a/xschem/analog_wrapper_tb.spice b/xschem/analog_wrapper_tb.spice
index 523a509..1c1c48b 100644
--- a/xschem/analog_wrapper_tb.spice
+++ b/xschem/analog_wrapper_tb.spice
@@ -1,84 +1,82 @@
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/analog_wrapper_tb.sch
**.subckt analog_wrapper_tb
-x1 net1 net6 GND net7 net2 net8 net9 net10 net16 net17 net18 net19 net20 net21[3] net21[2] net21[1]
-+ net21[0] net22[31] net22[30] net22[29] net22[28] net22[27] net22[26] net22[25] net22[24] net22[23] net22[22]
-+ net22[21] net22[20] net22[19] net22[18] net22[17] net22[16] net22[15] net22[14] net22[13] net22[12] net22[11]
-+ net22[10] net22[9] net22[8] net22[7] net22[6] net22[5] net22[4] net22[3] net22[2] net22[1] net22[0] net23[31]
-+ net23[30] net23[29] net23[28] net23[27] net23[26] net23[25] net23[24] net23[23] net23[22] net23[21] net23[20]
-+ net23[19] net23[18] net23[17] net23[16] net23[15] net23[14] net23[13] net23[12] net23[11] net23[10] net23[9]
-+ net23[8] net23[7] net23[6] net23[5] net23[4] net23[3] net23[2] net23[1] net23[0] net11 net12[31] net12[30]
-+ net12[29] net12[28] net12[27] net12[26] net12[25] net12[24] net12[23] net12[22] net12[21] net12[20] net12[19]
-+ net12[18] net12[17] net12[16] net12[15] net12[14] net12[13] net12[12] net12[11] net12[10] net12[9] net12[8]
-+ net12[7] net12[6] net12[5] net12[4] net12[3] net12[2] net12[1] net12[0] net24[127] net24[126] net24[125]
-+ net24[124] net24[123] net24[122] net24[121] net24[120] net24[119] net24[118] net24[117] net24[116] net24[115]
-+ net24[114] net24[113] net24[112] net24[111] net24[110] net24[109] net24[108] net24[107] net24[106] net24[105]
-+ net24[104] net24[103] net24[102] net24[101] net24[100] net24[99] net24[98] net24[97] net24[96] net24[95]
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-+ net24[83] net24[82] net24[81] net24[80] net24[79] net24[78] net24[77] net24[76] net24[75] net24[74] net24[73]
-+ net24[72] net24[71] net24[70] net24[69] net24[68] net24[67] net24[66] net24[65] net24[64] net24[63] net24[62]
-+ net24[61] net24[60] net24[59] net24[58] net24[57] net24[56] net24[55] net24[54] net24[53] net24[52] net24[51]
-+ net24[50] net24[49] net24[48] net24[47] net24[46] net24[45] net24[44] net24[43] net24[42] net24[41] net24[40]
-+ net24[39] net24[38] net24[37] net24[36] net24[35] net24[34] net24[33] net24[32] net24[31] net24[30] net24[29]
-+ net24[28] net24[27] net24[26] net24[25] net24[24] net24[23] net24[22] net24[21] net24[20] net24[19] net24[18]
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-+ net24[6] net24[5] net24[4] net24[3] net24[2] net24[1] net24[0] net13[127] net13[126] net13[125] net13[124]
-+ net13[123] net13[122] net13[121] net13[120] net13[119] net13[118] net13[117] net13[116] net13[115] net13[114]
-+ net13[113] net13[112] net13[111] net13[110] net13[109] net13[108] net13[107] net13[106] net13[105] net13[104]
-+ net13[103] net13[102] net13[101] net13[100] net13[99] net13[98] net13[97] net13[96] net13[95] net13[94]
-+ net13[93] net13[92] net13[91] net13[90] net13[89] net13[88] net13[87] net13[86] net13[85] net13[84] net13[83]
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-+ net13[71] net13[70] net13[69] net13[68] net13[67] net13[66] net13[65] net13[64] net13[63] net13[62] net13[61]
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-+ net13[27] net13[26] net13[25] net13[24] net13[23] net13[22] net13[21] net13[20] net13[19] net13[18] net13[17]
+x1 net1 net5 GND net6 net2 net7 net8 net9 net15 net16 net17 net18 net19 net20[3] net20[2] net20[1]
++ net20[0] net21[31] net21[30] net21[29] net21[28] net21[27] net21[26] net21[25] net21[24] net21[23] net21[22]
++ net21[21] net21[20] net21[19] net21[18] net21[17] net21[16] net21[15] net21[14] net21[13] net21[12] net21[11]
++ net21[10] net21[9] net21[8] net21[7] net21[6] net21[5] net21[4] net21[3] net21[2] net21[1] net21[0] net22[31]
++ net22[30] net22[29] net22[28] net22[27] net22[26] net22[25] net22[24] net22[23] net22[22] net22[21] net22[20]
++ net22[19] net22[18] net22[17] net22[16] net22[15] net22[14] net22[13] net22[12] net22[11] net22[10] net22[9]
++ net22[8] net22[7] net22[6] net22[5] net22[4] net22[3] net22[2] net22[1] net22[0] net10 net11[31] net11[30]
++ net11[29] net11[28] net11[27] net11[26] net11[25] net11[24] net11[23] net11[22] net11[21] net11[20] net11[19]
++ net11[18] net11[17] net11[16] net11[15] net11[14] net11[13] net11[12] net11[11] net11[10] net11[9] net11[8]
++ net11[7] net11[6] net11[5] net11[4] net11[3] net11[2] net11[1] net11[0] net23[127] net23[126] net23[125]
++ net23[124] net23[123] net23[122] net23[121] net23[120] net23[119] net23[118] net23[117] net23[116] net23[115]
++ net23[114] net23[113] net23[112] net23[111] net23[110] net23[109] net23[108] net23[107] net23[106] net23[105]
++ net23[104] net23[103] net23[102] net23[101] net23[100] net23[99] net23[98] net23[97] net23[96] net23[95]
++ net23[94] net23[93] net23[92] net23[91] net23[90] net23[89] net23[88] net23[87] net23[86] net23[85] net23[84]
++ net23[83] net23[82] net23[81] net23[80] net23[79] net23[78] net23[77] net23[76] net23[75] net23[74] net23[73]
++ net23[72] net23[71] net23[70] net23[69] net23[68] net23[67] net23[66] net23[65] net23[64] net23[63] net23[62]
++ net23[61] net23[60] net23[59] net23[58] net23[57] net23[56] net23[55] net23[54] net23[53] net23[52] net23[51]
++ net23[50] net23[49] net23[48] net23[47] net23[46] net23[45] net23[44] net23[43] net23[42] net23[41] net23[40]
++ net23[39] net23[38] net23[37] net23[36] net23[35] net23[34] net23[33] net23[32] net23[31] net23[30] net23[29]
++ net23[28] net23[27] net23[26] net23[25] net23[24] net23[23] net23[22] net23[21] net23[20] net23[19] net23[18]
++ net23[17] net23[16] net23[15] net23[14] net23[13] net23[12] net23[11] net23[10] net23[9] net23[8] net23[7]
++ net23[6] net23[5] net23[4] net23[3] net23[2] net23[1] net23[0] net12[127] net12[126] net12[125] net12[124]
++ net12[123] net12[122] net12[121] net12[120] net12[119] net12[118] net12[117] net12[116] net12[115] net12[114]
++ net12[113] net12[112] net12[111] net12[110] net12[109] net12[108] net12[107] net12[106] net12[105] net12[104]
++ net12[103] net12[102] net12[101] net12[100] net12[99] net12[98] net12[97] net12[96] net12[95] net12[94]
++ net12[93] net12[92] net12[91] net12[90] net12[89] net12[88] net12[87] net12[86] net12[85] net12[84] net12[83]
++ net12[82] net12[81] net12[80] net12[79] net12[78] net12[77] net12[76] net12[75] net12[74] net12[73] net12[72]
++ net12[71] net12[70] net12[69] net12[68] net12[67] net12[66] net12[65] net12[64] net12[63] net12[62] net12[61]
++ net12[60] net12[59] net12[58] net12[57] net12[56] net12[55] net12[54] net12[53] net12[52] net12[51] net12[50]
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++ net12[38] net12[37] net12[36] net12[35] net12[34] net12[33] net12[32] net12[31] net12[30] net12[29] net12[28]
++ net12[27] net12[26] net12[25] net12[24] net12[23] net12[22] net12[21] net12[20] net12[19] net12[18] net12[17]
++ net12[16] net12[15] net12[14] net12[13] net12[12] net12[11] net12[10] net12[9] net12[8] net12[7] net12[6]
++ net12[5] net12[4] net12[3] net12[2] net12[1] net12[0] net24[127] net24[126] net24[125] net24[124] net24[123]
++ net24[122] net24[121] net24[120] net24[119] net24[118] net24[117] net24[116] net24[115] net24[114] net24[113]
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++ net24[102] net24[101] net24[100] net24[99] net24[98] net24[97] net24[96] net24[95] net24[94] net24[93]
++ net24[92] net24[91] net24[90] net24[89] net24[88] net24[87] net24[86] net24[85] net24[84] net24[83] net24[82]
++ net24[81] net24[80] net24[79] net24[78] net24[77] net24[76] net24[75] net24[74] net24[73] net24[72] net24[71]
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++ net24[59] net24[58] net24[57] net24[56] net24[55] net24[54] net24[53] net24[52] net24[51] net24[50] net24[49]
++ net24[48] net24[47] net24[46] net24[45] net24[44] net24[43] net24[42] net24[41] net24[40] net24[39] net24[38]
++ net24[37] net24[36] net24[35] net24[34] net24[33] net24[32] net24[31] net24[30] net24[29] net24[28] net24[27]
++ net24[26] net24[25] net24[24] net24[23] net24[22] net24[21] net24[20] net24[19] net24[18] net24[17] net24[16]
++ net24[15] net24[14] net24[13] net24[12] net24[11] net24[10] net24[9] net24[8] net24[7] net24[6] net24[5]
++ net24[4] net24[3] net24[2] net24[1] net24[0] net25[26] net25[25] net25[24] net25[23] net25[22] net25[21]
++ net25[20] net25[19] net25[18] net25[17] net25[16] net25[15] net25[14] net25[13] net25[12] net25[11] net25[10]
++ net25[9] net25[8] net25[7] net25[6] net25[5] net25[4] net25[3] net25[2] net25[1] net25[0] net26[26]
++ net26[25] net26[24] net26[23] net26[22] net26[21] net26[20] net26[19] net26[18] net26[17] net26[16] net26[15]
++ net26[14] net26[13] net26[12] net26[11] net26[10] net26[9] net26[8] net26[7] net26[6] net26[5] net26[4]
++ net26[3] net26[2] net26[1] net26[0] net28[26] net28[25] net28[24] net28[23] net28[22] net28[21] net28[20]
++ net28[19] net28[18] net28[17] net28[16] net28[15] net28[14] net28[13] net28[12] net28[11] net28[10] net28[9]
++ net28[8] net28[7] net28[6] net28[5] net28[4] net28[3] net28[2] net28[1] net28[0] net29[26] net29[25]
++ net29[24] net29[23] net29[22] net29[21] net29[20] net29[19] net29[18] net29[17] net29[16] net29[15] net29[14]
++ net29[13] net29[12] net29[11] net29[10] net29[9] net29[8] net29[7] net29[6] net29[5] net29[4] net29[3]
++ net29[2] net29[1] net29[0] net30[17] net30[16] net30[15] net30[14] net30[13] net30[12] net30[11] net30[10]
++ net30[9] net30[8] net30[7] net30[6] net30[5] net30[4] net30[3] net30[2] net30[1] net30[0] net13[17]
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-+ net25[92] net25[91] net25[90] net25[89] net25[88] net25[87] net25[86] net25[85] net25[84] net25[83] net25[82]
-+ net25[81] net25[80] net25[79] net25[78] net25[77] net25[76] net25[75] net25[74] net25[73] net25[72] net25[71]
-+ net25[70] net25[69] net25[68] net25[67] net25[66] net25[65] net25[64] net25[63] net25[62] net25[61] net25[60]
-+ net25[59] net25[58] net25[57] net25[56] net25[55] net25[54] net25[53] net25[52] net25[51] net25[50] net25[49]
-+ net25[48] net25[47] net25[46] net25[45] net25[44] net25[43] net25[42] net25[41] net25[40] net25[39] net25[38]
-+ net25[37] net25[36] net25[35] net25[34] net25[33] net25[32] net25[31] net25[30] net25[29] net25[28] net25[27]
-+ net25[26] net25[25] net25[24] net25[23] net25[22] net25[21] net25[20] net25[19] net25[18] net25[17] net25[16]
-+ net25[15] net25[14] net25[13] net25[12] net25[11] net25[10] net25[9] net25[8] net25[7] net25[6] net25[5]
-+ net25[4] net25[3] net25[2] net25[1] net25[0] net26[26] net26[25] net26[24] net26[23] net26[22] net26[21]
-+ net26[20] net26[19] net26[18] net26[17] net26[16] net26[15] net26[14] net26[13] net26[12] net26[11] net26[10]
-+ net26[9] net26[8] net26[7] net26[6] net26[5] net26[4] net26[3] net26[2] net26[1] net26[0] net27[26]
-+ net27[25] net27[24] net27[23] net27[22] net27[21] net27[20] net27[19] net27[18] net27[17] net27[16] net27[15]
-+ net27[14] net27[13] net27[12] net27[11] net27[10] net27[9] net27[8] net27[7] net27[6] net27[5] net27[4]
-+ net27[3] net27[2] net27[1] net27[0] net29[26] net29[25] net29[24] net29[23] net29[22] net29[21] net29[20]
-+ net29[19] net29[18] net29[17] net29[16] net29[15] net29[14] net29[13] net29[12] net29[11] net29[10] net29[9]
-+ net29[8] net29[7] net29[6] net29[5] net29[4] net29[3] net29[2] net29[1] net29[0] net30[26] net30[25]
-+ net30[24] net30[23] net30[22] net30[21] net30[20] net30[19] net30[18] net30[17] net30[16] net30[15] net30[14]
-+ net30[13] net30[12] net30[11] net30[10] net30[9] net30[8] net30[7] net30[6] net30[5] net30[4] net30[3]
-+ net30[2] net30[1] net30[0] net31[17] net31[16] net31[15] net31[14] net31[13] net31[12] net31[11] net31[10]
-+ net31[9] net31[8] net31[7] net31[6] net31[5] net31[4] net31[3] net31[2] net31[1] net31[0] net14[17]
-+ net14[16] net14[15] net14[14] net14[13] net14[12] net14[11] net14[10] net14[9] net14[8] net14[7] net14[6]
-+ net14[5] net14[4] net14[3] net14[2] net14[1] net14[0] net3[10] net3[9] net3[8] net3[7] net3[6] net3[5]
-+ net3[4] net3[3] net3[2] net3[1] net3[0] net4[2] net4[1] net4[0] net5[2] net5[1] net5[0] net28 net15[2]
-+ net15[1] net15[0] user_analog_project_wrapper
-V1 net1 GND PWL(0.0 0 400u 0 5.4m 3.3)
-V2 net2 GND PWL(0.0 0 300u 0 5.3 1.8)
-V3 io_analog[4] GND PWL(0.0 0 100u 0 5m 3.3)
++ net13[5] net13[4] net13[3] net13[2] net13[1] net13[0] io_analog[10] io_analog[9] io_analog[8] io_analog[7]
++ io_analog[6] io_analog[5] io_analog[4] io_analog[3] io_analog[2] io_analog[1] io_analog[0] net3[2] net3[1]
++ net3[0] net4[2] net4[1] net4[0] net27 net14[2] net14[1] net14[0] user_analog_project_wrapper
+V1 net1 GND 3.3
+V3 io_analog[2] GND sin(1.65 1.65 100k)
+V2 io_analog[3] GND pulse(0 3.3 1u 100u 100u 1 1)
+C1 io_analog[0] GND 10p m=1
**** begin user architecture code
-.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-.include /usr/share/pdk/sky130A/libs.ref/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice
+.lib /home/design/OpenLane/pdks/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-.control
-tran 10u 20m
-plot V("io_out[11]") V("io_out[12]") V("io_out[15]") V("io_out[16]") V("gpio_analog[3]")
-+ V("gpio_analog[7]")
-.endc
+.tran 1n 100u
+.save all
**** end user architecture code
**.ends
* expanding symbol: user_analog_project_wrapper.sym # of pins=32
-* sym_path: /home/tim/gits/caravel_user_project_analog/xschem/user_analog_project_wrapper.sym
-* sch_path: /home/tim/gits/caravel_user_project_analog/xschem/user_analog_project_wrapper.sch
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/user_analog_project_wrapper.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/user_analog_project_wrapper.sch
.subckt user_analog_project_wrapper vdda1 vdda2 vssa1 vssa2 vccd1 vccd2 vssd1 vssd2 wb_clk_i
+ wb_rst_i wbs_stb_i wbs_cyc_i wbs_we_i wbs_sel_i[3] wbs_sel_i[2] wbs_sel_i[1] wbs_sel_i[0] wbs_dat_i[31]
+ wbs_dat_i[30] wbs_dat_i[29] wbs_dat_i[28] wbs_dat_i[27] wbs_dat_i[26] wbs_dat_i[25] wbs_dat_i[24] wbs_dat_i[23]
@@ -209,75 +207,143 @@
*.opin user_irq[2],user_irq[1],user_irq[0]
*.ipin
*+ la_oenb[127],la_oenb[126],la_oenb[125],la_oenb[124],la_oenb[123],la_oenb[122],la_oenb[121],la_oenb[120],la_oenb[119],la_oenb[118],la_oenb[117],la_oenb[116],la_oenb[115],la_oenb[114],la_oenb[113],la_oenb[112],la_oenb[111],la_oenb[110],la_oenb[109],la_oenb[108],la_oenb[107],la_oenb[106],la_oenb[105],la_oenb[104],la_oenb[103],la_oenb[102],la_oenb[101],la_oenb[100],la_oenb[99],la_oenb[98],la_oenb[97],la_oenb[96],la_oenb[95],la_oenb[94],la_oenb[93],la_oenb[92],la_oenb[91],la_oenb[90],la_oenb[89],la_oenb[88],la_oenb[87],la_oenb[86],la_oenb[85],la_oenb[84],la_oenb[83],la_oenb[82],la_oenb[81],la_oenb[80],la_oenb[79],la_oenb[78],la_oenb[77],la_oenb[76],la_oenb[75],la_oenb[74],la_oenb[73],la_oenb[72],la_oenb[71],la_oenb[70],la_oenb[69],la_oenb[68],la_oenb[67],la_oenb[66],la_oenb[65],la_oenb[64],la_oenb[63],la_oenb[62],la_oenb[61],la_oenb[60],la_oenb[59],la_oenb[58],la_oenb[57],la_oenb[56],la_oenb[55],la_oenb[54],la_oenb[53],la_oenb[52],la_oenb[51],la_oenb[50],la_oenb[49],la_oenb[48],la_oenb[47],la_oenb[46],la_oenb[45],la_oenb[44],la_oenb[43],la_oenb[42],la_oenb[41],la_oenb[40],la_oenb[39],la_oenb[38],la_oenb[37],la_oenb[36],la_oenb[35],la_oenb[34],la_oenb[33],la_oenb[32],la_oenb[31],la_oenb[30],la_oenb[29],la_oenb[28],la_oenb[27],la_oenb[26],la_oenb[25],la_oenb[24],la_oenb[23],la_oenb[22],la_oenb[21],la_oenb[20],la_oenb[19],la_oenb[18],la_oenb[17],la_oenb[16],la_oenb[15],la_oenb[14],la_oenb[13],la_oenb[12],la_oenb[11],la_oenb[10],la_oenb[9],la_oenb[8],la_oenb[7],la_oenb[6],la_oenb[5],la_oenb[4],la_oenb[3],la_oenb[2],la_oenb[1],la_oenb[0]
-x1 vdda1 vccd1 gpio_analog[3] io_out[11] io_out[12] vssa1 example_por
-x2 io_analog[4] vccd1 gpio_analog[7] io_out[15] io_out[16] vssa1 example_por
-R1 vssa1 io_clamp_low[2] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R2 vssa1 io_clamp_high[2] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R4 vssa1 io_clamp_low[1] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R5 vssa1 io_clamp_high[1] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R6 vssa1 io_clamp_low[0] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R7 io_analog[4] io_clamp_high[0] sky130_fd_pr__res_generic_m3 W=11 L=0.25 m=1
-R8 vssd1 io_oeb[12] sky130_fd_pr__res_generic_m3 W=0.56 L=0.49 m=1
-R9 vssd1 io_oeb[16] sky130_fd_pr__res_generic_m3 W=0.56 L=0.31 m=1
-R11 vssd1 io_oeb[11] sky130_fd_pr__res_generic_m3 W=0.56 L=0.58 m=1
-R12 vssd1 io_oeb[15] sky130_fd_pr__res_generic_m3 W=0.56 L=0.6 m=1
+x3 vdda1 net1 net2 vssa1 io_analog[2] io_analog[0] io_analog[3] comparator
+x4 vdda1 vssa1 net1 net2 comparator_bias
.ends
-* expanding symbol: example_por.sym # of pins=6
-* sym_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sym
-* sch_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sch
-.subckt example_por vdd3v3 vdd1v8 porb_h porb_l por_l vss
-*.iopin vdd3v3
-*.iopin vss
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-*.iopin vdd1v8
-XC1 net9 vss sky130_fd_pr__cap_mim_m3_1 W=30 L=30 MF=1 m=1
-XC2 vss net9 sky130_fd_pr__cap_mim_m3_2 W=30 L=30 MF=1 m=1
-XM1 net3 net7 net5 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM2 net2 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+* expanding symbol: comparator.sym # of pins=7
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sch
+.subckt comparator VDD VBP VBN VSS VINP VOUT VINM
+*.ipin VINP
+*.ipin VINM
+*.ipin VBN
+*.ipin VBP
+*.iopin VDD
+*.iopin VSS
+*.opin VOUT
+XM1 net3 VINM net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR1 net4 vdd3v3 vss sky130_fd_pr__res_xhigh_po_0p69 L=500 mult=1 m=1
-XM4 net5 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM5 net3 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM2 net2 VINP net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR2 vss net4 vss sky130_fd_pr__res_xhigh_po_0p69 L=150 mult=1 m=1
-XM7 net2 net2 net1 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM8 net1 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM10 net7 net4 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM3 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM9 net7 net7 net6 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM4 net4 net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM5 VOUTANALOG net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM11 net6 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=16 nf=8 ad='int((nf+1)/2) * W/nf * 0.29'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM6 net3 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM7 net2 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM8 net4 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM9 VOUTANALOG net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM12 net8 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM10 net6 VINM net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM11 net7 VINP net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM12 net5 VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM13 net8 net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM14 VOUTANALOG net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM13 net9 net2 net8 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM15 net6 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM16 net7 net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM17 net8 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM18 VOUTANALOG net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XR3 vss vss vss sky130_fd_pr__res_xhigh_po_0p69 L=25 mult=2 m=2
-x2 net10 vss vss vdd3v3 vdd3v3 porb_h sky130_fd_sc_hvl__buf_8
-x3 net10 vss vss vdd1v8 vdd1v8 porb_l sky130_fd_sc_hvl__buf_8
-x4 net10 vss vss vdd1v8 vdd1v8 por_l sky130_fd_sc_hvl__inv_8
-x5 net9 vss vss vdd3v3 vdd3v3 net10 sky130_fd_sc_hvl__schmittbuf_1
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM19 net9 VOUTANALOG VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM20 net9 VOUTANALOG VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM21 VOUT net9 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM22 VOUT net9 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM23 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM24 net5 VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM25 VSS VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+XM26 VDD VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+.ends
+
+
+* expanding symbol: comparator_bias.sym # of pins=4
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sch
+.subckt comparator_bias VDD VSS VBP VBN
+*.opin VBP
+*.opin VBN
+*.iopin VDD
+*.iopin VSS
+XR1 net2 VDD VSS sky130_fd_pr__res_high_po W=1.41 L=141 mult=1 m=1
+XM3 net1 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM4 VBN net1 net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM5 VBN VBN net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=15 W=1 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM7 VBP VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM1 VBN VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM2 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM6 VBP VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM8 VBN VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM9 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM10 VBP VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
.ends
.GLOBAL GND
-** flattened .save nodes
.end
diff --git a/xschem/comparator.sch b/xschem/comparator.sch
new file mode 100644
index 0000000..7d77f75
--- /dev/null
+++ b/xschem/comparator.sch
@@ -0,0 +1,567 @@
+v {xschem version=3.0.0 file_version=1.2 }
+G {}
+K {}
+V {}
+S {}
+E {}
+N 420 -550 420 -470 { lab=#net1}
+N 430 -470 670 -470 { lab=#net1}
+N 700 -550 700 -470 { lab=#net1}
+N 670 -470 700 -470 { lab=#net1}
+N 420 -470 430 -470 { lab=#net1}
+N 560 -350 560 -320 { lab=#net1}
+N 560 -360 560 -350 { lab=#net1}
+N 560 -260 560 -200 { lab=VSS}
+N 700 -750 700 -610 { lab=#net2}
+N 420 -750 420 -610 { lab=#net3}
+N 420 -870 420 -810 { lab=VDD}
+N 700 -870 700 -810 { lab=VDD}
+N 980 -870 980 -810 { lab=VDD}
+N 690 -870 980 -870 { lab=VDD}
+N 740 -780 940 -780 { lab=#net2}
+N 700 -730 760 -730 { lab=#net2}
+N 760 -780 760 -730 { lab=#net2}
+N 980 -750 980 -440 { lab=VOUTANALOG}
+N 980 -440 980 -430 { lab=VOUTANALOG}
+N 980 -370 980 -310 { lab=VSS}
+N 180 -780 380 -780 { lab=#net3}
+N 360 -730 420 -730 { lab=#net3}
+N 360 -780 360 -730 { lab=#net3}
+N 140 -870 140 -810 { lab=VDD}
+N 140 -870 420 -870 { lab=VDD}
+N 420 -870 690 -870 { lab=VDD}
+N 180 -400 940 -400 { lab=#net4}
+N 140 -750 140 -430 { lab=#net4}
+N 560 -470 560 -360 { lab=#net1}
+N 140 -370 140 -200 { lab=VSS}
+N 140 -200 560 -200 { lab=VSS}
+N 560 -200 980 -200 { lab=VSS}
+N 980 -310 980 -200 { lab=VSS}
+N 330 -580 380 -580 { lab=VINM}
+N 740 -580 790 -580 { lab=VINP}
+N 140 -450 200 -450 { lab=#net4}
+N 200 -450 200 -400 { lab=#net4}
+N 460 -290 520 -290 { lab=VBN}
+N 980 -400 1020 -400 { lab=VSS}
+N 420 -580 460 -580 { lab=VSS}
+N 560 -290 600 -290 { lab=VSS}
+N 100 -400 140 -400 { lab=VSS}
+N 660 -580 700 -580 { lab=VSS}
+N 980 -780 1020 -780 { lab=VDD}
+N 420 -780 460 -780 { lab=VDD}
+N 100 -780 140 -780 { lab=VDD}
+N 660 -780 700 -780 { lab=VDD}
+N 1610 -660 1610 -580 { lab=#net5}
+N 1610 -660 1910 -660 { lab=#net5}
+N 1910 -660 1910 -580 { lab=#net5}
+N 1360 -310 1570 -310 { lab=#net6}
+N 1950 -310 2160 -310 { lab=#net7}
+N 1320 -280 1320 -200 { lab=VSS}
+N 1320 -200 2200 -200 { lab=VSS}
+N 2200 -280 2200 -200 { lab=VSS}
+N 1910 -370 1980 -370 { lab=#net7}
+N 1980 -370 1980 -310 { lab=#net7}
+N 1540 -370 1540 -310 { lab=#net6}
+N 1540 -370 1610 -370 { lab=#net6}
+N 1360 -730 2160 -730 { lab=#net8}
+N 2200 -870 2200 -760 { lab=VDD}
+N 1320 -870 1320 -760 { lab=VDD}
+N 1320 -870 2200 -870 { lab=VDD}
+N 1770 -870 1770 -840 { lab=VDD}
+N 1320 -700 1320 -340 { lab=#net8}
+N 2200 -700 2200 -340 { lab=VOUTANALOG}
+N 1610 -280 1610 -200 { lab=VSS}
+N 1910 -280 1910 -200 { lab=VSS}
+N 1950 -550 2000 -550 { lab=VINP}
+N 1520 -550 1570 -550 { lab=VINM}
+N 1690 -810 1730 -810 { lab=VBP}
+N 1320 -670 1390 -670 { lab=#net8}
+N 1390 -730 1390 -670 { lab=#net8}
+N 1610 -310 1650 -310 { lab=VSS}
+N 2200 -310 2240 -310 { lab=VSS}
+N 1870 -310 1910 -310 { lab=VSS}
+N 1280 -310 1320 -310 { lab=VSS}
+N 2200 -730 2240 -730 { lab=VDD}
+N 1610 -550 1650 -550 { lab=VDD}
+N 1770 -810 1810 -810 { lab=VDD}
+N 1280 -730 1320 -730 { lab=VDD}
+N 1870 -550 1910 -550 { lab=VDD}
+N 1770 -780 1770 -720 { lab=#net5}
+N 1610 -520 1610 -340 { lab=#net6}
+N 1910 -520 1910 -340 { lab=#net7}
+N 980 -580 1100 -580 { lab=VOUTANALOG}
+N 2200 -560 2320 -560 { lab=VOUTANALOG}
+N 2550 -660 2590 -660 { lab=VDD}
+N 2550 -460 2590 -460 { lab=VSS}
+N 2550 -630 2550 -490 { lab=#net9}
+N 2480 -460 2510 -460 { lab=VOUTANALOG}
+N 2480 -660 2480 -460 { lab=VOUTANALOG}
+N 2480 -660 2510 -660 { lab=VOUTANALOG}
+N 2320 -560 2480 -560 { lab=VOUTANALOG}
+N 2550 -410 2550 -370 { lab=VSS}
+N 2550 -430 2550 -410 { lab=VSS}
+N 2550 -740 2550 -700 { lab=VDD}
+N 2550 -700 2550 -690 { lab=VDD}
+N 2810 -660 2850 -660 { lab=VDD}
+N 2810 -460 2850 -460 { lab=VSS}
+N 2810 -630 2810 -490 { lab=VOUT}
+N 2740 -460 2770 -460 { lab=#net9}
+N 2740 -660 2740 -460 { lab=#net9}
+N 2740 -660 2770 -660 { lab=#net9}
+N 2810 -410 2810 -370 { lab=VSS}
+N 2810 -430 2810 -410 { lab=VSS}
+N 2810 -740 2810 -700 { lab=VDD}
+N 2810 -700 2810 -690 { lab=VDD}
+N 2550 -560 2740 -560 { lab=#net9}
+N 2810 -560 2900 -560 { lab=VOUT}
+N 680 -330 710 -330 { lab=VSS}
+N 680 -330 680 -280 { lab=VSS}
+N 680 -280 750 -280 { lab=VSS}
+N 750 -300 750 -200 { lab=VSS}
+N 750 -330 770 -330 { lab=VSS}
+N 770 -330 770 -290 { lab=VSS}
+N 750 -290 770 -290 { lab=VSS}
+N 750 -470 750 -360 { lab=#net1}
+N 700 -470 750 -470 { lab=#net1}
+N 1770 -720 1770 -660 { lab=#net5}
+N 1910 -660 1920 -660 { lab=#net5}
+N 1920 -750 1920 -660 { lab=#net5}
+N 1920 -870 1920 -810 { lab=VDD}
+N 1960 -780 1980 -780 { lab=VDD}
+N 1980 -840 1980 -780 { lab=VDD}
+N 1920 -840 1980 -840 { lab=VDD}
+N 1900 -780 1920 -780 { lab=VDD}
+N 1900 -820 1900 -780 { lab=VDD}
+N 1900 -820 1920 -820 { lab=VDD}
+N -30 -280 0 -280 { lab=VSS}
+N -30 -280 -30 -230 { lab=VSS}
+N -30 -230 40 -230 { lab=VSS}
+N 40 -280 60 -280 { lab=VSS}
+N 60 -280 60 -240 { lab=VSS}
+N 40 -240 60 -240 { lab=VSS}
+N 40 -250 40 -200 { lab=VSS}
+N 40 -200 140 -200 { lab=VSS}
+N 40 -340 40 -310 { lab=VSS}
+N -10 -340 40 -340 { lab=VSS}
+N -10 -340 -10 -280 { lab=VSS}
+N -30 -780 -10 -780 { lab=VDD}
+N -10 -840 -10 -780 { lab=VDD}
+N -70 -840 -10 -840 { lab=VDD}
+N -90 -780 -70 -780 { lab=VDD}
+N -90 -820 -90 -780 { lab=VDD}
+N -90 -820 -70 -820 { lab=VDD}
+N -70 -870 -70 -810 { lab=VDD}
+N -70 -870 140 -870 { lab=VDD}
+N -70 -750 -70 -730 { lab=VDD}
+N -70 -730 -20 -730 { lab=VDD}
+N -20 -780 -20 -730 { lab=VDD}
+C {devices/lab_wire.sym} 640 -870 0 1 {name=l1 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 330 -580 0 1 {name=l2 sig_type=std_logic lab=VINM}
+C {devices/lab_wire.sym} 790 -580 0 0 {name=l3 sig_type=std_logic lab=VINP}
+C {devices/lab_wire.sym} 460 -290 0 1 {name=l4 sig_type=std_logic lab=VBN}
+C {devices/lab_wire.sym} 1100 -580 0 0 {name=l5 sig_type=std_logic lab=VOUTANALOG}
+C {devices/lab_wire.sym} 520 -200 0 0 {name=l6 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 1020 -400 0 0 {name=l7 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 460 -580 0 0 {name=l8 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 600 -290 0 0 {name=l9 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 100 -400 0 1 {name=l10 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 660 -580 0 1 {name=l11 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 1020 -780 0 0 {name=l12 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 460 -780 0 0 {name=l13 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 100 -780 0 1 {name=l14 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 660 -780 0 1 {name=l15 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1700 -870 0 1 {name=l16 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1780 -200 0 0 {name=l17 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 2000 -550 0 0 {name=l18 sig_type=std_logic lab=VINP}
+C {devices/lab_wire.sym} 1520 -550 0 1 {name=l19 sig_type=std_logic lab=VINM}
+C {devices/lab_wire.sym} 1690 -810 0 1 {name=l20 sig_type=std_logic lab=VBP}
+C {devices/lab_wire.sym} 1650 -310 0 0 {name=l21 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 2240 -310 0 0 {name=l22 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 1870 -310 0 1 {name=l23 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 1280 -310 0 1 {name=l24 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 2240 -730 0 0 {name=l25 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1650 -550 0 0 {name=l26 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1810 -810 0 0 {name=l27 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1280 -730 0 1 {name=l28 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 1870 -550 0 1 {name=l29 sig_type=power lab=VDD}
+C {devices/ipin.sym} 370 -1050 0 0 {name=p1 lab=VINP}
+C {devices/ipin.sym} 370 -1010 0 0 {name=p2 lab=VINM}
+C {devices/ipin.sym} 370 -1090 0 0 {name=p3 lab=VBN}
+C {devices/ipin.sym} 370 -1130 0 0 {name=p4 lab=VBP}
+C {devices/iopin.sym} 500 -1130 0 0 {name=p5 lab=VDD}
+C {devices/iopin.sym} 500 -1090 0 0 {name=p6 lab=VSS}
+C {devices/opin.sym} 500 -1040 0 0 {name=p7 lab=VOUT}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 400 -580 0 0 {name=M1
+L=2
+W=5
+nf=1
+mult=4
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 720 -580 0 1 {name=M2
+L=2
+W=5
+nf=1
+mult=4
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 540 -290 0 0 {name=M3
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 160 -400 0 1 {name=M4
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 960 -400 0 0 {name=M5
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 400 -780 0 0 {name=M6
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 720 -780 0 1 {name=M7
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 160 -780 0 1 {name=M8
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 960 -780 0 0 {name=M9
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 1590 -550 0 0 {name=M10
+L=2
+W=5
+nf=1
+mult=4
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 1930 -550 0 1 {name=M11
+L=2
+W=5
+nf=1
+mult=4
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 1750 -810 0 0 {name=M12
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 1340 -730 0 1 {name=M13
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 2180 -730 0 0 {name=M14
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 1590 -310 0 0 {name=M15
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 1930 -310 0 1 {name=M16
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 1340 -310 0 1 {name=M17
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 2180 -310 0 0 {name=M18
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} 2320 -560 0 0 {name=l30 sig_type=std_logic lab=VOUTANALOG}
+C {devices/lab_wire.sym} 2590 -660 0 0 {name=l31 sig_type=power lab=VDD}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 2530 -660 0 0 {name=M19
+L=2
+W=10
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} 2590 -460 0 0 {name=l32 sig_type=ground lab=VSS}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 2530 -460 0 0 {name=M20
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} 2550 -410 3 0 {name=l33 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 2550 -740 3 0 {name=l34 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 2850 -660 0 0 {name=l35 sig_type=power lab=VDD}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 2790 -660 0 0 {name=M21
+L=2
+W=10
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} 2850 -460 0 0 {name=l36 sig_type=ground lab=VSS}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 2790 -460 0 0 {name=M22
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} 2810 -410 3 0 {name=l37 sig_type=ground lab=VSS}
+C {devices/lab_wire.sym} 2810 -740 3 0 {name=l38 sig_type=power lab=VDD}
+C {devices/lab_wire.sym} 2900 -560 0 0 {name=l39 sig_type=std_logic lab=VOUT}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 730 -330 0 0 {name=M23
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 1940 -780 0 1 {name=M24
+L=2
+W=5
+nf=1
+mult=2
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 20 -280 0 0 {name=M25
+L=2
+W=5
+nf=1
+mult=8
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} -50 -780 0 1 {name=M26
+L=2
+W=5
+nf=1
+mult=8
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
diff --git a/xschem/comparator.spice b/xschem/comparator.spice
new file mode 100644
index 0000000..5cba826
--- /dev/null
+++ b/xschem/comparator.spice
@@ -0,0 +1,83 @@
+** sch_path: /home/design/dev/design/comparator_pushpull/schematic/comparator.sch
+.subckt comparator VINP VINM VBN VBP VDD VSS VOUT
+*.PININFO VINP:I VINM:I VBN:I VBP:I VDD:B VSS:B VOUT:O
+XM1 net3 VINM net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM2 net2 VINP net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM3 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM4 net4 net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM5 VOUTANALOG net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM6 net3 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM7 net2 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM8 net4 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM9 VOUTANALOG net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM10 net6 VINM net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM11 net7 VINP net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM12 net5 VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM13 net8 net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM14 VOUTANALOG net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM15 net6 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM16 net7 net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM17 net8 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM18 VOUTANALOG net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM19 net9 VOUTANALOG VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM20 net9 VOUTANALOG VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM21 VOUT net9 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM22 VOUT net9 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM23 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM24 net5 VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM25 VSS VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+XM26 VDD VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+.ends
+.end
diff --git a/xschem/comparator.sym b/xschem/comparator.sym
new file mode 100644
index 0000000..e72ead1
--- /dev/null
+++ b/xschem/comparator.sym
@@ -0,0 +1,36 @@
+v {xschem version=3.0.0 file_version=1.2 }
+G {}
+K {type=subcircuit
+format="@name @pinlist @symname"
+template="name=x1"
+}
+V {}
+S {}
+E {}
+L 4 -130 -60 130 -60 {}
+L 4 -130 50 130 50 {}
+L 4 -150 10 -130 10 {}
+L 4 -150 30 -130 30 {}
+L 4 -150 -40 -130 -40 {}
+L 4 130 -30 150 -30 {}
+L 4 -150 -20 -130 -20 {}
+L 4 -130 -60 -130 50 {}
+L 4 130 -60 130 50 {}
+L 7 -10 -80 -10 -60 {}
+L 7 10 -80 10 -60 {}
+B 5 -12.5 -82.5 -7.5 -77.5 {name=VDD dir=inout }
+B 5 -152.5 7.5 -147.5 12.5 {name=VBP dir=in }
+B 5 -152.5 27.5 -147.5 32.5 {name=VBN dir=in }
+B 5 7.5 -82.5 12.5 -77.5 {name=VSS dir=inout }
+B 5 -152.5 -42.5 -147.5 -37.5 {name=VINP dir=in }
+B 5 147.5 -32.5 152.5 -27.5 {name=VOUT dir=out }
+B 5 -152.5 -22.5 -147.5 -17.5 {name=VINM dir=in }
+T {@symname} -43 -16 0 0 0.3 0.3 {}
+T {@name} 135 -72 0 0 0.2 0.2 {}
+T {VDD} -6 -35 1 1 0.2 0.2 {}
+T {VBP} -125 6 0 0 0.2 0.2 {}
+T {VBN} -125 26 0 0 0.2 0.2 {}
+T {VSS} 14 -35 1 1 0.2 0.2 {}
+T {VINP} -125 -44 0 0 0.2 0.2 {}
+T {VOUT} 125 -34 0 1 0.2 0.2 {}
+T {VINM} -125 -24 0 0 0.2 0.2 {}
diff --git a/xschem/comparator_bias.sch b/xschem/comparator_bias.sch
new file mode 100644
index 0000000..93bcaf9
--- /dev/null
+++ b/xschem/comparator_bias.sch
@@ -0,0 +1,239 @@
+v {xschem version=3.0.0 file_version=1.2 }
+G {}
+K {}
+V {}
+S {}
+E {}
+N 80 -90 320 -90 { lab=VBN}
+N 40 -160 120 -160 { lab=VBN}
+N 120 -160 120 -90 { lab=VBN}
+N 40 -60 40 0 { lab=VSS}
+N 40 0 360 0 { lab=VSS}
+N 360 -60 360 0 { lab=VSS}
+N 40 -420 40 -120 { lab=VBN}
+N 360 -520 360 -120 { lab=#net1}
+N 80 -450 360 -450 { lab=#net1}
+N 40 -550 320 -550 { lab=#net2}
+N 40 -550 40 -480 { lab=#net2}
+N 40 -580 40 -550 { lab=#net2}
+N 360 -700 360 -580 { lab=VDD}
+N 40 -700 360 -700 { lab=VDD}
+N 360 -550 400 -550 { lab=VDD}
+N 360 -90 400 -90 { lab=VSS}
+N 0 -450 40 -450 { lab=VDD}
+N 0 -90 40 -90 { lab=VSS}
+N 220 -310 260 -310 { lab=VDD}
+N 720 -60 720 0 { lab=VSS}
+N 720 -90 760 -90 { lab=VSS}
+N 360 0 720 -0 { lab=VSS}
+N 500 -90 680 -90 { lab=VBN}
+N 500 -160 500 -90 { lab=VBN}
+N 500 -160 860 -160 { lab=VBN}
+N 680 -550 720 -550 { lab=VDD}
+N 360 -700 720 -700 { lab=VDD}
+N 720 -700 720 -580 { lab=VDD}
+N 720 -520 720 -470 { lab=VBP}
+N 760 -550 790 -550 { lab=VBP}
+N 790 -550 790 -490 { lab=VBP}
+N 720 -490 790 -490 { lab=VBP}
+N 790 -550 860 -550 { lab=VBP}
+N 220 -550 220 -340 { lab=#net2}
+N 150 -310 180 -310 { lab=VBN}
+N 150 -310 150 -260 { lab=VBN}
+N 150 -260 220 -260 { lab=VBN}
+N 220 -270 220 -90 { lab=VBN}
+N 220 -160 500 -160 { lab=VBN}
+N 220 -280 220 -270 { lab=VBN}
+N -20 -610 20 -610 { lab=VSS}
+N 720 -410 720 -120 { lab=VBP}
+N 40 -700 40 -640 { lab=VDD}
+N 720 -470 720 -410 { lab=VBP}
+N -90 -130 -90 -0 { lab=VSS}
+N -90 -0 40 -0 { lab=VSS}
+N -50 -160 -40 -160 { lab=VSS}
+N -40 -160 -40 -100 { lab=VSS}
+N -90 -100 -40 -100 { lab=VSS}
+N -110 -160 -90 -160 { lab=VSS}
+N -110 -160 -110 -120 { lab=VSS}
+N -110 -120 -90 -120 { lab=VSS}
+N -90 -240 -90 -190 { lab=VBN}
+N -90 -240 40 -240 { lab=VBN}
+N 510 -340 520 -340 { lab=VSS}
+N 520 -340 520 -280 { lab=VSS}
+N 470 -280 520 -280 { lab=VSS}
+N 450 -340 470 -340 { lab=VSS}
+N 450 -340 450 -300 { lab=VSS}
+N 450 -300 470 -300 { lab=VSS}
+N 470 -420 470 -370 { lab=#net1}
+N 470 -310 470 -0 { lab=VSS}
+N 360 -420 470 -420 { lab=#net1}
+N 1070 -130 1070 0 { lab=VSS}
+N 1110 -160 1120 -160 { lab=VSS}
+N 1120 -160 1120 -100 { lab=VSS}
+N 1070 -100 1120 -100 { lab=VSS}
+N 1050 -160 1070 -160 { lab=VSS}
+N 1050 -160 1050 -120 { lab=VSS}
+N 1050 -120 1070 -120 { lab=VSS}
+N 1070 -240 1070 -190 { lab=VBP}
+N 720 -0 1070 0 { lab=VSS}
+N 720 -240 1070 -240 { lab=VBP}
+C {sky130_fd_pr/res_high_po.sym} 40 -610 0 0 {name=R1
+W=1.41
+L=141
+model=res_high_po
+spiceprefix=X
+mult=1}
+C {devices/lab_wire.sym} 400 -550 0 0 {name=l1 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 400 -90 0 0 {name=l2 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 0 -450 0 1 {name=l3 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 0 -90 0 1 {name=l4 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 220 0 0 0 {name=l5 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 220 -700 0 0 {name=l6 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 260 -310 0 0 {name=l7 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 760 -90 0 0 {name=l8 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 680 -550 0 1 {name=l9 sig_type=std_logic lab=VDD}
+C {devices/opin.sym} 860 -550 0 0 {name=p1 lab=VBP}
+C {devices/opin.sym} 860 -160 0 0 {name=p2 lab=VBN}
+C {devices/iopin.sym} 200 -800 0 0 {name=p3 lab=VDD}
+C {devices/iopin.sym} 200 -770 0 0 {name=p4 lab=VSS}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 340 -550 0 0 {name=M3
+L=2
+W=20
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 60 -450 0 1 {name=M4
+L=2
+W=20
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 200 -310 0 0 {name=M5
+L=15
+W=1
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/pfet_g5v0d10v5.sym} 740 -550 0 1 {name=M7
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=pfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 60 -90 0 1 {name=M1
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 340 -90 0 0 {name=M2
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 700 -90 0 0 {name=M6
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} -70 -160 0 1 {name=M8
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 490 -340 0 1 {name=M9
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {xschem_sky130/sky130_fd_pr/nfet_g5v0d10v5.sym} 1090 -160 0 1 {name=M10
+L=2
+W=5
+nf=1
+mult=1
+ad="'int((nf+1)/2) * W/nf * 0.29'"
+pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
+as="'int((nf+2)/2) * W/nf * 0.29'"
+ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
+nrd="'0.29 / W'" nrs="'0.29 / W'"
+sa=0 sb=0 sd=0
+model=nfet_g5v0d10v5
+spiceprefix=X
+}
+C {devices/lab_wire.sym} -20 -610 0 1 {name=l10 sig_type=std_logic lab=VSS}
diff --git a/xschem/comparator_bias.spice b/xschem/comparator_bias.spice
new file mode 100644
index 0000000..753d582
--- /dev/null
+++ b/xschem/comparator_bias.spice
@@ -0,0 +1,36 @@
+** sch_path: /home/design/dev/design/comparator_pushpull/schematic/comparator_bias.sch
+.subckt comparator_bias VBP VBN VDD VSS
+*.PININFO VBP:O VBN:O VDD:B VSS:B
+XR1 net2 VDD VSS sky130_fd_pr__res_high_po W=1.41 L=141 mult=1 m=1
+XM3 net1 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM4 VBN net1 net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM5 VBN VBN net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=15 W=1 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM7 VBP VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM1 VBN VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM2 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM6 VBP VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM8 VBN VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM9 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM10 VBP VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+.ends
+.end
diff --git a/xschem/comparator_bias.sym b/xschem/comparator_bias.sym
new file mode 100644
index 0000000..e44b9e5
--- /dev/null
+++ b/xschem/comparator_bias.sym
@@ -0,0 +1,27 @@
+v {xschem version=3.0.0 file_version=1.2 }
+G {}
+K {type=subcircuit
+format="@name @pinlist @symname"
+template="name=x1"
+}
+V {}
+S {}
+E {}
+L 4 80 -40 100 -40 {}
+L 4 80 -20 100 -20 {}
+L 4 -80 -60 80 -60 {}
+L 4 80 -60 80 0 {}
+L 4 -80 0 80 0 {}
+L 4 -80 -60 -80 0 {}
+L 7 -60 -80 -60 -60 {}
+L 7 -40 -80 -40 -60 {}
+B 5 -62.5 -82.5 -57.5 -77.5 {name=VDD dir=inout }
+B 5 -42.5 -82.5 -37.5 -77.5 {name=VSS dir=inout }
+B 5 97.5 -42.5 102.5 -37.5 {name=VBP dir=out }
+B 5 97.5 -22.5 102.5 -17.5 {name=VBN dir=out }
+T {@symname} -55.5 -26 0 0 0.3 0.3 {}
+T {@name} 85 -72 0 0 0.2 0.2 {}
+T {VDD} -64 -55 3 1 0.2 0.2 {}
+T {VSS} -44 -55 3 1 0.2 0.2 {}
+T {VBP} 75 -44 0 1 0.2 0.2 {}
+T {VBN} 75 -24 0 1 0.2 0.2 {}
diff --git a/xschem/current_test.spice b/xschem/current_test.spice
deleted file mode 100644
index 8e4162d..0000000
--- a/xschem/current_test.spice
+++ /dev/null
@@ -1,86 +0,0 @@
-*---------------------------------------------------------------------------
-* SPDX-FileCopyrightText: 2020 Efabless Corporation
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* https://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-* SPDX-License-Identifier: Apache-2.0
-*---------------------------------------------------------------------------
-* Simple POR circuit for Caravel current mirror test
-*-------------------------------------------------------------------
-
-.param mc_mm_switch=0
-.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-
-* Note: 20 resistors of length 25um connected in series
-Xres1 vdda vin vss sky130_fd_pr__res_xhigh_po_0p69 l=500
-Xres2 vin vss vss sky130_fd_pr__res_xhigh_po_0p69 l=149
-
-* voltage sources at 0V for measuring current in each branch
-
-Vm1 vssm1 vss DC=0
-Vm2 vdda vddm2 DC=0
-Vm3 vdda vddm3 DC=0
-Vm4 vssm4 vss DC=0
-Vm5 vssm5 vss DC=0
-Vm6 vdda vddm6 DC=0
-Vm7 vdda vddm7 DC=0
-
-* D G S B
-Xm1 casc1 vin vssm1 vss sky130_fd_pr__nfet_g5v0d10v5 w=2 l=0.8 m=1
-Xc1 mir1 casc1 casc1 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-Xm2 mir1 mir1 vddm2 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=8
-Xm3 mir2 mir1 vddm3 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-Xc2 casc2 casc1 mir2 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-Xm4 casc2 casc2 vssm4 vss sky130_fd_pr__nfet_g5v0d10v5 w=2 l=0.8 m=7
-Xm5 casc3 casc2 vssm5 vss sky130_fd_pr__nfet_g5v0d10v5 w=2 l=0.8 m=1
-Xc3 mir3 casc3 casc3 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-Xm6 mir3 mir3 vddm6 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=7
-Xm7 mir4 mir3 vddm7 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-Xc4 vcap casc3 mir4 vdda sky130_fd_pr__pfet_g5v0d10v5 w=2 l=0.8 m=1
-
-* Check branch currents in each mirror branch.
-* 1st branch should be 240nA
-* 2nd branch should be 30nA
-* 3rd branch should be 4.3nA
-* 4th branch should be 612pA
-*
-* Result: vin sits at 0.7590 (close to 0.7575 target)
-* I(Vm1/2) = 202.80 nA
-* I(Vm3/4) = 26.10 nA (should be /8) actually /7.77
-* I(Vm5/6) = 4.58 nA (should be /7) actually /5.70
-* I(Vm7) = 0.67 nA (should be /7) actually /6.80
-
-*----------------------------
-* Testbench circuit
-*----------------------------
-Vpwr vdda vss DC=3.3
-Rgnd vss 0 0.01
-Rload vcap vss 1MEG
-*----------------------------
-
-*----------------------------
-* Testbench control
-*----------------------------
-.control
-op
-print V(vin)
-print I(Vm1)
-print I(Vm2)
-print I(Vm3)
-print I(Vm4)
-print I(Vm5)
-print I(Vm6)
-print I(Vm7)
-.endc
-
-.end
-
diff --git a/xschem/example_por.sch b/xschem/example_por.sch
deleted file mode 100644
index cf6e0c3..0000000
--- a/xschem/example_por.sch
+++ /dev/null
@@ -1,297 +0,0 @@
-v {xschem version=2.9.9 file_version=1.2 }
-G {}
-K {}
-V {}
-S {}
-E {}
-L 4 3370 -60 3390 -60 {}
-L 4 3390 -60 3390 80 {}
-L 4 3370 80 3390 80 {}
-T {Current step-down mirror} 2270 140 0 0 0.4 0.4 {}
-T {Charge accumulator} 2650 140 0 0 0.4 0.4 {}
-T {Voltage divider} 1860 140 0 0 0.4 0.4 {}
-T {Schmitt trigger} 2930 -200 0 0 0.4 0.4 {}
-T {150 / 650 * 3.3V = 0.76V} 1860 180 0 0 0.4 0.4 {}
-T {step down 8x} 2130 -430 0 0 0.4 0.4 {}
-T {step down 7x} 2330 80 0 0 0.4 0.4 {}
-T {step down 7x} 2520 -430 0 0 0.4 0.4 {}
-T {1.8V domain outputs} 3400 0 0 0 0.4 0.4 {}
-T {3.3V domain output} 3410 -140 0 0 0.4 0.4 {}
-T {392 : 1} 2270 180 0 0 0.4 0.4 {}
-T {Simple power-on-reset circuit
-calibrated to 500us nominal delay
-no temperature compensation} 1950 -570 0 0 0.6 0.6 {}
-N 2500 -310 2500 -270 { lab=#net1}
-N 2500 -210 2500 -100 { lab=#net2}
-N 2300 -40 2300 20 { lab=#net3}
-N 2300 80 2300 110 { lab=vss}
-N 2360 110 2500 110 { lab=vss}
-N 2500 80 2500 110 { lab=vss}
-N 2400 50 2460 50 { lab=#net3}
-N 2360 -400 2500 -400 { lab=vdd3v3}
-N 2500 -400 2500 -370 { lab=vdd3v3}
-N 2500 -400 2790 -400 { lab=vdd3v3}
-N 2300 -10 2370 -10 { lab=#net3}
-N 2370 -10 2370 50 { lab=#net3}
-N 2500 -290 2570 -290 { lab=#net1}
-N 2570 -340 2570 -290 { lab=#net1}
-N 2540 -340 2570 -340 { lab=#net1}
-N 2500 -190 2570 -190 { lab=#net2}
-N 2570 -240 2570 -190 { lab=#net2}
-N 2540 -240 2570 -240 { lab=#net2}
-N 2240 110 2360 110 { lab=vss}
-N 2500 110 2630 110 { lab=vss}
-N 2500 50 2630 50 { lab=vss}
-N 2110 110 2240 110 { lab=vss}
-N 1930 60 1930 110 { lab=vss}
-N 1930 -160 1930 0 { lab=#net4}
-N 1930 -400 1930 -220 { lab=vdd3v3}
-N 2110 -400 2360 -400 { lab=vdd3v3}
-N 1880 -190 1910 -190 { lab=vss}
-N 1880 -190 1880 110 { lab=vss}
-N 1880 110 1930 110 { lab=vss}
-N 1880 30 1910 30 { lab=vss}
-N 2300 -310 2300 -270 { lab=#net5}
-N 2300 -400 2300 -370 { lab=vdd3v3}
-N 2300 -140 2300 -100 { lab=#net3}
-N 2340 50 2400 50 { lab=#net3}
-N 2300 -210 2300 -140 { lab=#net3}
-N 2100 80 2100 110 { lab=vss}
-N 2100 110 2110 110 { lab=vss}
-N 2050 50 2060 50 { lab=#net4}
-N 2050 -70 2050 50 { lab=#net4}
-N 1930 -70 2050 -70 { lab=#net4}
-N 1930 -400 2110 -400 { lab=vdd3v3}
-N 2100 -400 2100 -370 { lab=vdd3v3}
-N 2100 -310 2100 -270 { lab=#net6}
-N 2100 -210 2100 20 { lab=#net7}
-N 2100 50 2300 50 { lab=vss}
-N 2200 50 2200 110 { lab=vss}
-N 2140 -240 2260 -240 { lab=#net7}
-N 2140 -340 2260 -340 { lab=#net6}
-N 2100 -290 2180 -290 { lab=#net6}
-N 2180 -340 2180 -290 { lab=#net6}
-N 2100 -180 2180 -180 { lab=#net7}
-N 2180 -240 2180 -180 { lab=#net7}
-N 1930 -240 2100 -240 { lab=vdd3v3}
-N 1930 -340 2100 -340 { lab=vdd3v3}
-N 1930 110 2100 110 { lab=vss}
-N 2300 -240 2500 -240 { lab=vdd3v3}
-N 2300 -340 2500 -340 { lab=vdd3v3}
-N 2400 -340 2400 -240 { lab=vdd3v3}
-N 2400 -400 2400 -340 { lab=vdd3v3}
-N 2570 -240 2650 -240 { lab=#net2}
-N 2570 -340 2650 -340 { lab=#net1}
-N 2690 -400 2690 -370 { lab=vdd3v3}
-N 2790 -400 2790 -340 { lab=vdd3v3}
-N 2690 -340 2790 -340 { lab=vdd3v3}
-N 2690 -240 2790 -240 { lab=vdd3v3}
-N 2790 -340 2790 -240 { lab=vdd3v3}
-N 2690 -310 2690 -270 { lab=#net8}
-N 2690 -210 2690 -150 { lab=#net9}
-N 1830 30 1880 30 { lab=vss}
-N 1810 60 1810 110 { lab=vss}
-N 1810 110 1880 110 { lab=vss}
-N 1810 -70 1810 0 { lab=vss}
-N 1810 -70 1880 -70 { lab=vss}
-N 2690 -150 2690 -70 { lab=#net9}
-N 2820 -130 2820 -70 { lab=#net9}
-N 2690 -130 2820 -130 { lab=#net9}
-N 2630 110 2820 110 { lab=vss}
-N 2820 -10 2820 110 { lab=vss}
-N 2690 -10 2690 110 { lab=vss}
-N 2820 -130 2980 -130 { lab=#net9}
-N 3060 -130 3130 -130 { lab=#net10}
-N 3090 -130 3090 60 { lab=#net10}
-N 3090 60 3130 60 { lab=#net10}
-N 3090 -40 3130 -40 { lab=#net10}
-N 3210 -130 3300 -130 { lab=porb_h}
-N 3210 -40 3300 -40 { lab=porb_l}
-N 3210 60 3300 60 { lab=por_l}
-N 2790 -400 2840 -400 { lab=vdd3v3}
-N 2820 110 2870 110 { lab=vss}
-N 2630 50 2690 50 { lab=vss}
-N 2300 -100 2300 -40 { lab=#net3}
-N 2500 -100 2500 -30 { lab=#net2}
-N 2500 -30 2500 20 { lab=#net2}
-C {sky130_fd_pr/cap_mim_m3_1.sym} 2690 -40 0 0 {name=C1 model=cap_mim_m3_1 W=30 L=30 MF=1 spiceprefix=X}
-C {sky130_fd_pr/cap_mim_m3_2.sym} 2820 -40 2 1 {name=C2 model=cap_mim_m3_2 W=30 L=30 MF=1 spiceprefix=X}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2280 -240 0 0 {name=M1
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2480 50 0 0 {name=M2
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=nfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1930 -190 0 0 {name=R1
-L=500
-model=res_xhigh_po_0p69
-spiceprefix=X
-mult=1}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2280 -340 0 0 {name=M4
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2320 50 0 1 {name=M5
-L=0.8
-W=14
-nf=7
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=nfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1930 30 0 0 {name=R2
-L=150
-model=res_xhigh_po_0p69
-spiceprefix=X
-mult=1}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2520 -240 0 1 {name=M7
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2520 -340 0 1 {name=M8
-L=0.8
-W=14
-nf=7
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2080 50 0 0 {name=M10
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=nfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2120 -240 0 1 {name=M9
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2120 -340 0 1 {name=M11
-L=0.8
-W=16
-nf=8
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2670 -340 0 0 {name=M12
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2670 -240 0 0 {name=M13
-L=0.8
-W=2
-nf=1
-mult=1
-ad="'int((nf+1)/2) * W/nf * 0.29'"
-pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
-as="'int((nf+2)/2) * W/nf * 0.29'"
-ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
-nrd="'0.29 / W'" nrs="'0.29 / W'"
-sa=0 sb=0 sd=0
-model=pfet_g5v0d10v5
-spiceprefix=X
-}
-C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1810 30 0 1 {name=R3
-L=25
-model=res_xhigh_po_0p69
-spiceprefix=X
-mult=2}
-C {sky130_stdcells/buf_8.sym} 3170 -130 0 0 {name=x2 VGND=vss VNB=vss VPB=vdd3v3 VPWR=vdd3v3 prefix=sky130_fd_sc_hvl__ }
-C {sky130_stdcells/buf_8.sym} 3170 -40 0 0 {name=x3 VGND=vss VNB=vss VPB=vdd1v8 VPWR=vdd1v8 prefix=sky130_fd_sc_hvl__ }
-C {sky130_stdcells/inv_8.sym} 3170 60 0 0 {name=x4 VGND=vss VNB=vss VPB=vdd1v8 VPWR=vdd1v8 prefix=sky130_fd_sc_hvl__ }
-C {sky130_stdcells/buf_1.sym} 3020 -130 0 0 {name=x5 VGND=vss VNB=vss VPB=vdd3v3 VPWR=vdd3v3 prefix=sky130_fd_sc_hvl__schmitt }
-C {devices/iopin.sym} 2840 -400 0 0 {name=p1 lab=vdd3v3}
-C {devices/iopin.sym} 2870 110 0 0 {name=p2 lab=vss}
-C {devices/opin.sym} 3300 -130 0 0 {name=p3 lab=porb_h}
-C {devices/opin.sym} 3300 -40 0 0 {name=p4 lab=porb_l}
-C {devices/opin.sym} 3300 60 0 0 {name=p5 lab=por_l}
-C {devices/iopin.sym} 2840 -330 0 0 {name=p6 lab=vdd1v8}
diff --git a/xschem/example_por.sym b/xschem/example_por.sym
deleted file mode 100644
index e3875f5..0000000
--- a/xschem/example_por.sym
+++ /dev/null
@@ -1,33 +0,0 @@
-v {xschem version=2.9.9 file_version=1.2 }
-G {}
-K {type=subcircuit
-format="@name @pinlist @symname"
-template="name=x1"
-}
-V {}
-S {}
-E {}
-L 4 -130 -60 130 -60 {}
-L 4 -130 60 130 60 {}
-L 4 -130 -60 -130 60 {}
-L 4 130 -60 130 60 {}
-L 4 130 -30 150 -30 {}
-L 4 130 0 150 0 {}
-L 4 130 30 150 30 {}
-L 7 -30 -80 -30 -60 {}
-L 7 30 -80 30 -60 {}
-L 7 0 60 0 80 {}
-B 5 -32.5 -82.5 -27.5 -77.5 {name=vdd3v3 dir=inout }
-B 5 27.5 -82.5 32.5 -77.5 {name=vdd1v8 dir=inout }
-B 5 147.5 -32.5 152.5 -27.5 {name=porb_h dir=out }
-B 5 147.5 -2.5 152.5 2.5 {name=porb_l dir=out }
-B 5 147.5 27.5 152.5 32.5 {name=por_l dir=out }
-B 5 -2.5 77.5 2.5 82.5 {name=vss dir=inout }
-T {@symname} -47.5 -6 0 0 0.3 0.3 {}
-T {@name} -25 18 0 0 0.2 0.2 {}
-T {vdd3v3} -15 -54 0 1 0.2 0.2 {}
-T {vdd1v8} 55 -54 0 1 0.2 0.2 {}
-T {porb_h} 125 -34 0 1 0.2 0.2 {}
-T {porb_l} 125 -4 0 1 0.2 0.2 {}
-T {por_l} 125 26 0 1 0.2 0.2 {}
-T {vss} 5 46 0 1 0.2 0.2 {}
diff --git a/xschem/example_por_tb.sch b/xschem/example_por_tb.sch
deleted file mode 100644
index a24d814..0000000
--- a/xschem/example_por_tb.sch
+++ /dev/null
@@ -1,45 +0,0 @@
-v {xschem version=2.9.9 file_version=1.2 }
-G {}
-K {}
-V {}
-S {}
-E {}
-T {Testbench for simple POR} -350 -240 0 0 0.6 0.6 {}
-N -280 60 -10 60 { lab=GND}
-N -540 0 -540 60 { lab=GND}
-N -330 0 -330 60 { lab=GND}
-N -330 -100 -330 -60 { lab=vdd3v3}
-N -330 -110 -330 -100 { lab=vdd3v3}
-N -210 -110 -40 -110 { lab=vdd3v3}
-N -40 -110 -40 -100 { lab=vdd3v3}
-N -540 -130 -540 -60 { lab=vdd1v8}
-N -280 -130 20 -130 { lab=vdd1v8}
-N 20 -130 20 -100 { lab=vdd1v8}
-N 140 -50 180 -50 { lab=porb_h}
-N 140 -20 180 -20 { lab=porb_l}
-N 140 10 180 10 { lab=por_l}
-N -340 -110 -330 -110 { lab=vdd3v3}
-N -500 -130 -490 -130 { lab=vdd1v8}
-N -540 -130 -500 -130 { lab=vdd1v8}
-N -560 -130 -540 -130 { lab=vdd1v8}
-N -540 60 -490 60 { lab=GND}
-N -490 -130 -280 -130 { lab=vdd1v8}
-N -490 60 -330 60 { lab=GND}
-N -330 60 -280 60 { lab=GND}
-N -330 -110 -210 -110 { lab=vdd3v3}
-C {example_por.sym} -10 -20 0 0 {name=x1}
-C {devices/gnd.sym} -100 60 0 0 {name=l1 lab=GND}
-C {devices/vsource.sym} -330 -30 0 0 {name=V1 value="PWL(0.0 0 100u 0 5m 3.3)"}
-C {devices/vsource.sym} -540 -30 0 0 {name=V2 value="PWL(0.0 0 300u 0 5.3m 1.8)"}
-C {devices/opin.sym} -340 -110 0 1 {name=p1 lab=vdd3v3}
-C {devices/opin.sym} -560 -130 0 1 {name=p2 lab=vdd1v8}
-C {devices/opin.sym} 180 -50 0 0 {name=p3 lab=porb_h}
-C {devices/opin.sym} 180 -20 0 0 {name=p4 lab=porb_l}
-C {devices/opin.sym} 180 10 0 0 {name=p5 lab=por_l}
-C {devices/code.sym} -470 140 0 0 {name=TT_MODELS only_toplevel=false
-format="tcleval(@value )" value=".lib \\\\$::SKYWATER_MODELS\\\\/sky130.lib.spice tt
-.include \\\\$::PDKPATH\\\\/libs.ref/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice"}
-C {devices/code_shown.sym} -320 160 0 0 {name=s2 only_toplevel=false value=".control
-tran 1u 20m
-plot V(vdd3v3) V(vdd1v8) V(porb_h) V(porb_l) V(por_l)
-.endc"}
diff --git a/xschem/example_por_tb.spice b/xschem/example_por_tb.spice
deleted file mode 100644
index fa82f74..0000000
--- a/xschem/example_por_tb.spice
+++ /dev/null
@@ -1,78 +0,0 @@
-**.subckt example_por_tb vdd3v3 vdd1v8 porb_h porb_l por_l
-*.opin vdd3v3
-*.opin vdd1v8
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-x1 vdd3v3 vdd1v8 porb_h porb_l por_l GND example_por
-V1 vdd3v3 GND PWL(0.0 0 100u 0 5m 3.3)
-V2 vdd1v8 GND PWL(0.0 0 300u 0 5.3m 1.8)
-**** begin user architecture code
-.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-.include /usr/share/pdk/sky130A/libs.ref/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice
-
-.control
-tran 1u 20m
-plot V(vdd3v3) V(vdd1v8) V(porb_h) V(porb_l) V(por_l)
-.endc
-
-**** end user architecture code
-**.ends
-
-* expanding symbol: example_por.sym # of pins=6
-* sym_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sym
-* sch_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sch
-.subckt example_por vdd3v3 vdd1v8 porb_h porb_l por_l vss
-*.iopin vdd3v3
-*.iopin vss
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-*.iopin vdd1v8
-XC1 net9 vss sky130_fd_pr__cap_mim_m3_1 W=30 L=30 MF=1 m=1
-XC2 vss net9 sky130_fd_pr__cap_mim_m3_2 W=30 L=30 MF=1 m=1
-XM1 net3 net7 net5 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM2 net2 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR1 net4 vdd3v3 vss sky130_fd_pr__res_xhigh_po_0p69 L=500 mult=1 m=1
-XM4 net5 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM5 net3 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR2 vss net4 vss sky130_fd_pr__res_xhigh_po_0p69 L=150 mult=1 m=1
-XM7 net2 net2 net1 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM8 net1 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM10 net7 net4 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM9 net7 net7 net6 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM11 net6 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=16 nf=8 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM12 net8 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM13 net9 net2 net8 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XR3 vss vss vss sky130_fd_pr__res_xhigh_po_0p69 L=25 mult=2 m=2
-x2 net10 vss vss vdd3v3 vdd3v3 porb_h sky130_fd_sc_hvl__buf_8
-x3 net10 vss vss vdd1v8 vdd1v8 porb_l sky130_fd_sc_hvl__buf_8
-x4 net10 vss vss vdd1v8 vdd1v8 por_l sky130_fd_sc_hvl__inv_8
-x5 net9 vss vss vdd3v3 vdd3v3 net10 sky130_fd_sc_hvl__schmittbuf_1
-.ends
-
-.GLOBAL GND
-** flattened .save nodes
-.end
diff --git a/xschem/example_por_tb.spice.orig b/xschem/example_por_tb.spice.orig
deleted file mode 100644
index 069c74d..0000000
--- a/xschem/example_por_tb.spice.orig
+++ /dev/null
@@ -1,88 +0,0 @@
-**.subckt example_por_tb vdd3v3 vdd1v8 porb_h porb_l por_l
-.param mc_switch=0
-*.opin vdd3v3
-*.opin vdd1v8
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-x1 vdd3v3 vdd1v8 porb_h porb_l por_l GND example_por
-V1 vdd3v3 GND PWL(0.0 0 100u 0 5m 3.3)
-V2 vdd1v8 GND PWL(0.0 0 300u 0 5.3m 1.8)
-**** begin user architecture code
-
-.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-
-
-.include /usr/share/pdk/sky130A/libs.ref/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice
-
-.control
-tran 1u 20m
-plot V(vdd3v3) V(vdd1v8) V(porb_h) V(porb_l) V(por_l)
-.endc
-
-**** end user architecture code
-**.ends
-
-* expanding symbol: example_por.sym # of pins=6
-* sym_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sym
-* sch_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sch
-.subckt example_por vdd3v3 vdd1v8 porb_h porb_l por_l vss
-*.iopin vdd3v3
-*.iopin vss
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-*.iopin vdd1v8
-XC1 net11 vss sky130_fd_pr__cap_mim_m3_1 W=30 L=30 MF=1 m=1
-XC2 net11 vss sky130_fd_pr__cap_mim_m3_2 W=30 L=30 MF=1 m=1
-XM1 net5 net9 net7 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM2 net1 net4 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR1 net6 vdd3v3 vss sky130_fd_pr__res_xhigh_po_0p69 W=0.69 L=500 mult=1 m=1
-XM3 net3 net5 net1 vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM4 net7 net8 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM5 net4 net4 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM6 net5 net5 net4 vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR2 vss net6 vss sky130_fd_pr__res_xhigh_po_0p69 W=0.69 L=150 mult=1 m=1
-XM7 net3 net3 net2 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM8 net2 net2 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM10 net9 net6 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
-+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM9 net9 net9 net8 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM11 net8 net8 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=16 nf=8 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM12 net10 net2 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM13 net11 net3 net10 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XR3 vss vss vss sky130_fd_pr__res_xhigh_po_0p69 W=0.69 L=25 mult=2 m=2
-x2 net12 vss vss vdd3v3 vdd3v3 porb_h sky130_fd_sc_hvl__buf_8
-x3 net12 vss vss vdd1v8 vdd1v8 porb_l sky130_fd_sc_hvl__buf_8
-x4 net12 vss vss vdd1v8 vdd1v8 por_l sky130_fd_sc_hvl__inv_8
-x5 net11 vss vss vdd3v3 vdd3v3 net12 sky130_fd_sc_hvl__schmittbuf_1
-.ends
-
-.GLOBAL GND
-** flattened .save nodes
-.end
diff --git a/xschem/tb_comparator.sch b/xschem/tb_comparator.sch
new file mode 100644
index 0000000..3f13f64
--- /dev/null
+++ b/xschem/tb_comparator.sch
@@ -0,0 +1,56 @@
+v {xschem version=3.0.0 file_version=1.2 }
+G {}
+K {}
+V {}
+S {}
+E {}
+N 270 -270 530 -270 { lab=#net1}
+N 110 -370 110 -330 { lab=VDD}
+N 130 -370 130 -330 { lab=VSS}
+N 670 -420 670 -380 { lab=VDD}
+N 690 -420 690 -380 { lab=VSS}
+N 830 -330 920 -330 { lab=VOUT}
+N 920 -330 920 -300 { lab=VOUT}
+N 920 -240 920 -190 { lab=VSS}
+N 40 -170 40 -120 { lab=VSS}
+N 140 -170 140 -120 { lab=VDD}
+N 140 -60 140 -10 { lab=VSS}
+N 40 -60 40 -10 { lab=GND}
+N 280 -170 280 -120 { lab=VINM}
+N 280 -60 280 -10 { lab=VSS}
+N 480 -320 530 -320 { lab=VINM}
+N 480 -340 530 -340 { lab=VINP}
+N 400 -170 400 -120 { lab=VINP}
+N 400 -60 400 -10 { lab=VSS}
+N 270 -290 530 -290 { lab=#net2}
+C {comparator.sym} 680 -300 0 0 {name=x1}
+C {comparator_bias.sym} 170 -250 0 0 {name=x2}
+C {devices/lab_wire.sym} 110 -370 3 0 {name=l1 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 130 -370 3 0 {name=l2 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 670 -420 3 0 {name=l3 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 690 -420 3 0 {name=l4 sig_type=std_logic lab=VSS}
+C {devices/vsource.sym} 40 -90 0 0 {name=V1 value=0}
+C {devices/vsource.sym} 140 -90 0 0 {name=V2 value=3.3}
+C {devices/capa.sym} 920 -270 0 0 {name=C1
+m=1
+value=10p
+footprint=1206
+device="ceramic capacitor"}
+C {devices/lab_wire.sym} 920 -220 3 0 {name=l5 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 900 -330 0 0 {name=l6 sig_type=std_logic lab=VOUT}
+C {devices/lab_wire.sym} 140 -170 3 0 {name=l7 sig_type=std_logic lab=VDD}
+C {devices/lab_wire.sym} 140 -40 3 0 {name=l8 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 40 -170 3 0 {name=l9 sig_type=std_logic lab=VSS}
+C {devices/gnd.sym} 40 -10 0 0 {name=l10 lab=GND}
+C {devices/vsource.sym} 280 -90 0 0 {name=V3 value="pulse(0 3.3 1u 100u 100u 1 1)"}
+C {devices/lab_wire.sym} 280 -170 3 0 {name=l11 sig_type=std_logic lab=VINM}
+C {devices/lab_wire.sym} 280 -40 3 0 {name=l12 sig_type=std_logic lab=VSS}
+C {devices/lab_wire.sym} 520 -320 0 0 {name=l13 sig_type=std_logic lab=VINM}
+C {devices/lab_wire.sym} 520 -340 0 0 {name=l14 sig_type=std_logic lab=VINP}
+C {devices/vsource.sym} 400 -90 0 0 {name=V4 value="sin(1.65 1.65 100k)"}
+C {devices/lab_wire.sym} 400 -170 3 0 {name=l15 sig_type=std_logic lab=VINP}
+C {devices/lab_wire.sym} 400 -40 3 0 {name=l16 sig_type=std_logic lab=VSS}
+C {devices/code.sym} 1050 -390 0 0 {name=TT_MODELS only_toplevel=false
+format="tcleval(@value )" value=".lib \\\\$::SKYWATER_MODELS\\\\/sky130.lib.spice tt"}
+C {devices/code_shown.sym} 1070 -150 0 0 {name=SPICE only_toplevel=false value=".tran 1n 100u
+.save all"}
diff --git a/xschem/tb_comparator.spice b/xschem/tb_comparator.spice
new file mode 100644
index 0000000..0434948
--- /dev/null
+++ b/xschem/tb_comparator.spice
@@ -0,0 +1,153 @@
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/tb_comparator.sch
+**.subckt tb_comparator
+x1 VDD net2 net1 VSS VINP VOUT VINM comparator
+x2 VDD VSS net2 net1 comparator_bias
+V1 VSS GND 0
+V2 VDD VSS 3.3
+C1 VOUT VSS 10p m=1
+V3 VINM VSS pulse(0 3.3 1u 100u 100u 1 1)
+V4 VINP VSS sin(1.65 1.65 100k)
+**** begin user architecture code
+.lib /home/design/OpenLane/pdks/sky130A/libs.tech/ngspice/sky130.lib.spice tt
+
+.tran 1n 100u
+.save all
+
+**** end user architecture code
+**.ends
+
+* expanding symbol: comparator.sym # of pins=7
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sch
+.subckt comparator VDD VBP VBN VSS VINP VOUT VINM
+*.ipin VINP
+*.ipin VINM
+*.ipin VBN
+*.ipin VBP
+*.iopin VDD
+*.iopin VSS
+*.opin VOUT
+XM1 net3 VINM net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM2 net2 VINP net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM3 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM4 net4 net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM5 VOUTANALOG net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM6 net3 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM7 net2 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM8 net4 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM9 VOUTANALOG net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM10 net6 VINM net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM11 net7 VINP net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM12 net5 VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM13 net8 net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM14 VOUTANALOG net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM15 net6 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM16 net7 net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM17 net8 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM18 VOUTANALOG net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM19 net9 VOUTANALOG VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM20 net9 VOUTANALOG VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM21 VOUT net9 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM22 VOUT net9 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM23 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM24 net5 VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM25 VSS VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+XM26 VDD VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+.ends
+
+
+* expanding symbol: comparator_bias.sym # of pins=4
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sch
+.subckt comparator_bias VDD VSS VBP VBN
+*.opin VBP
+*.opin VBN
+*.iopin VDD
+*.iopin VSS
+XR1 net2 VDD VSS sky130_fd_pr__res_high_po W=1.41 L=141 mult=1 m=1
+XM3 net1 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM4 VBN net1 net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM5 VBN VBN net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=15 W=1 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM7 VBP VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM1 VBN VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM2 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM6 VBP VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM8 VBN VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM9 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM10 VBP VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+.ends
+
+.GLOBAL GND
+.end
diff --git a/xschem/test.data b/xschem/test.data
deleted file mode 100644
index c9cde37..0000000
--- a/xschem/test.data
+++ /dev/null
@@ -1,101 +0,0 @@
- 7.00000000e-01 -8.93059159e-08 7.00000000e-01 7.00000000e-01
- 7.01000000e-01 -9.08452852e-08 7.01000000e-01 7.01000000e-01
- 7.02000000e-01 -9.24385447e-08 7.02000000e-01 7.02000000e-01
- 7.03000000e-01 -9.40459956e-08 7.03000000e-01 7.03000000e-01
- 7.04000000e-01 -9.56814959e-08 7.04000000e-01 7.04000000e-01
- 7.05000000e-01 -9.73455368e-08 7.05000000e-01 7.05000000e-01
- 7.06000000e-01 -9.90386085e-08 7.06000000e-01 7.06000000e-01
- 7.07000000e-01 -1.00761227e-07 7.07000000e-01 7.07000000e-01
- 7.08000000e-01 -1.02513882e-07 7.08000000e-01 7.08000000e-01
- 7.09000000e-01 -1.04297110e-07 7.09000000e-01 7.09000000e-01
- 7.10000000e-01 -1.06111443e-07 7.10000000e-01 7.10000000e-01
- 7.11000000e-01 -1.07957415e-07 7.11000000e-01 7.11000000e-01
- 7.12000000e-01 -1.09835552e-07 7.12000000e-01 7.12000000e-01
- 7.13000000e-01 -1.11746436e-07 7.13000000e-01 7.13000000e-01
- 7.14000000e-01 -1.13690603e-07 7.14000000e-01 7.14000000e-01
- 7.15000000e-01 -1.15668634e-07 7.15000000e-01 7.15000000e-01
- 7.16000000e-01 -1.17681129e-07 7.16000000e-01 7.16000000e-01
- 7.17000000e-01 -1.19728657e-07 7.17000000e-01 7.17000000e-01
- 7.18000000e-01 -1.21811839e-07 7.18000000e-01 7.18000000e-01
- 7.19000000e-01 -1.23931259e-07 7.19000000e-01 7.19000000e-01
- 7.20000000e-01 -1.26087554e-07 7.20000000e-01 7.20000000e-01
- 7.21000000e-01 -1.28281358e-07 7.21000000e-01 7.21000000e-01
- 7.22000000e-01 -1.30513286e-07 7.22000000e-01 7.22000000e-01
- 7.23000000e-01 -1.32784003e-07 7.23000000e-01 7.23000000e-01
- 7.24000000e-01 -1.35094165e-07 7.24000000e-01 7.24000000e-01
- 7.25000000e-01 -1.37444453e-07 7.25000000e-01 7.25000000e-01
- 7.26000000e-01 -1.39835535e-07 7.26000000e-01 7.26000000e-01
- 7.27000000e-01 -1.42268085e-07 7.27000000e-01 7.27000000e-01
- 7.28000000e-01 -1.44742842e-07 7.28000000e-01 7.28000000e-01
- 7.29000000e-01 -1.47260486e-07 7.29000000e-01 7.29000000e-01
- 7.30000000e-01 -1.49821761e-07 7.30000000e-01 7.30000000e-01
- 7.31000000e-01 -1.52427364e-07 7.31000000e-01 7.31000000e-01
- 7.32000000e-01 -1.55078077e-07 7.32000000e-01 7.32000000e-01
- 7.33000000e-01 -1.57774611e-07 7.33000000e-01 7.33000000e-01
- 7.34000000e-01 -1.60517775e-07 7.34000000e-01 7.34000000e-01
- 7.35000000e-01 -1.63308337e-07 7.35000000e-01 7.35000000e-01
- 7.36000000e-01 -1.66147061e-07 7.36000000e-01 7.36000000e-01
- 7.37000000e-01 -1.69034765e-07 7.37000000e-01 7.37000000e-01
- 7.38000000e-01 -1.71972266e-07 7.38000000e-01 7.38000000e-01
- 7.39000000e-01 -1.74960357e-07 7.39000000e-01 7.39000000e-01
- 7.40000000e-01 -1.77999888e-07 7.40000000e-01 7.40000000e-01
- 7.41000000e-01 -1.81091703e-07 7.41000000e-01 7.41000000e-01
- 7.42000000e-01 -1.84236664e-07 7.42000000e-01 7.42000000e-01
- 7.43000000e-01 -1.87435634e-07 7.43000000e-01 7.43000000e-01
- 7.44000000e-01 -1.90689493e-07 7.44000000e-01 7.44000000e-01
- 7.45000000e-01 -1.93999127e-07 7.45000000e-01 7.45000000e-01
- 7.46000000e-01 -1.97365464e-07 7.46000000e-01 7.46000000e-01
- 7.47000000e-01 -2.00789378e-07 7.47000000e-01 7.47000000e-01
- 7.48000000e-01 -2.04271837e-07 7.48000000e-01 7.48000000e-01
- 7.49000000e-01 -2.07813739e-07 7.49000000e-01 7.49000000e-01
- 7.50000000e-01 -2.11416073e-07 7.50000000e-01 7.50000000e-01
- 7.51000000e-01 -2.15079797e-07 7.51000000e-01 7.51000000e-01
- 7.52000000e-01 -2.18805863e-07 7.52000000e-01 7.52000000e-01
- 7.53000000e-01 -2.22595278e-07 7.53000000e-01 7.53000000e-01
- 7.54000000e-01 -2.26449036e-07 7.54000000e-01 7.54000000e-01
- 7.55000000e-01 -2.30368144e-07 7.55000000e-01 7.55000000e-01
- 7.56000000e-01 -2.34353630e-07 7.56000000e-01 7.56000000e-01
- 7.57000000e-01 -2.38406548e-07 7.57000000e-01 7.57000000e-01
- 7.58000000e-01 -2.42527913e-07 7.58000000e-01 7.58000000e-01
- 7.59000000e-01 -2.46718795e-07 7.59000000e-01 7.59000000e-01
- 7.60000000e-01 -2.50980278e-07 7.60000000e-01 7.60000000e-01
- 7.61000000e-01 -2.55313430e-07 7.61000000e-01 7.61000000e-01
- 7.62000000e-01 -2.59719344e-07 7.62000000e-01 7.62000000e-01
- 7.63000000e-01 -2.64199148e-07 7.63000000e-01 7.63000000e-01
- 7.64000000e-01 -2.68753946e-07 7.64000000e-01 7.64000000e-01
- 7.65000000e-01 -2.73384860e-07 7.65000000e-01 7.65000000e-01
- 7.66000000e-01 -2.78093044e-07 7.66000000e-01 7.66000000e-01
- 7.67000000e-01 -2.82879650e-07 7.67000000e-01 7.67000000e-01
- 7.68000000e-01 -2.87745826e-07 7.68000000e-01 7.68000000e-01
- 7.69000000e-01 -2.92692776e-07 7.69000000e-01 7.69000000e-01
- 7.70000000e-01 -2.97721660e-07 7.70000000e-01 7.70000000e-01
- 7.71000000e-01 -3.02833688e-07 7.71000000e-01 7.71000000e-01
- 7.72000000e-01 -3.08030053e-07 7.72000000e-01 7.72000000e-01
- 7.73000000e-01 -3.13311974e-07 7.73000000e-01 7.73000000e-01
- 7.74000000e-01 -3.18680710e-07 7.74000000e-01 7.74000000e-01
- 7.75000000e-01 -3.24137468e-07 7.75000000e-01 7.75000000e-01
- 7.76000000e-01 -3.29683509e-07 7.76000000e-01 7.76000000e-01
- 7.77000000e-01 -3.35320078e-07 7.77000000e-01 7.77000000e-01
- 7.78000000e-01 -3.41048451e-07 7.78000000e-01 7.78000000e-01
- 7.79000000e-01 -3.46869908e-07 7.79000000e-01 7.79000000e-01
- 7.80000000e-01 -3.52785731e-07 7.80000000e-01 7.80000000e-01
- 7.81000000e-01 -3.58797218e-07 7.81000000e-01 7.81000000e-01
- 7.82000000e-01 -3.64905663e-07 7.82000000e-01 7.82000000e-01
- 7.83000000e-01 -3.71112381e-07 7.83000000e-01 7.83000000e-01
- 7.84000000e-01 -3.77418703e-07 7.84000000e-01 7.84000000e-01
- 7.85000000e-01 -3.83825919e-07 7.85000000e-01 7.85000000e-01
- 7.86000000e-01 -3.90335390e-07 7.86000000e-01 7.86000000e-01
- 7.87000000e-01 -3.96948455e-07 7.87000000e-01 7.87000000e-01
- 7.88000000e-01 -4.03666461e-07 7.88000000e-01 7.88000000e-01
- 7.89000000e-01 -4.10490750e-07 7.89000000e-01 7.89000000e-01
- 7.90000000e-01 -4.17422681e-07 7.90000000e-01 7.90000000e-01
- 7.91000000e-01 -4.24463629e-07 7.91000000e-01 7.91000000e-01
- 7.92000000e-01 -4.31614946e-07 7.92000000e-01 7.92000000e-01
- 7.93000000e-01 -4.38878017e-07 7.93000000e-01 7.93000000e-01
- 7.94000000e-01 -4.46254218e-07 7.94000000e-01 7.94000000e-01
- 7.95000000e-01 -4.53744916e-07 7.95000000e-01 7.95000000e-01
- 7.96000000e-01 -4.61351506e-07 7.96000000e-01 7.96000000e-01
- 7.97000000e-01 -4.69075369e-07 7.97000000e-01 7.97000000e-01
- 7.98000000e-01 -4.76917893e-07 7.98000000e-01 7.98000000e-01
- 7.99000000e-01 -4.84880471e-07 7.99000000e-01 7.99000000e-01
- 8.00000000e-01 -4.92964482e-07 8.00000000e-01 8.00000000e-01
diff --git a/xschem/threshold_test_tb.spice b/xschem/threshold_test_tb.spice
deleted file mode 100644
index 3e9804c..0000000
--- a/xschem/threshold_test_tb.spice
+++ /dev/null
@@ -1,46 +0,0 @@
-*---------------------------------------------------------------------------
-* SPDX-FileCopyrightText: 2020 Efabless Corporation
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* https://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-* SPDX-License-Identifier: Apache-2.0
-*---------------------------------------------------------------------------
-* Threshold test for POR circuit
-* Determine gate voltage at which the HV NFET draws 240nA nominal
-*
-* Result: 0.7575V
-*-------------------------------------------------------------------
-
-.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
-
-*----------------------------
-* Testbench circuit
-*----------------------------
-Rtest vdda mir1 1MEG
-Xm1 mir1 vin vss vss sky130_fd_pr__nfet_g5v0d10v5 w=2 l=0.8
-
-Vgate vin vss DC=0
-Vpwr vdda vss DC=3.3
-Rgnd vss 0 0.1
-
-*----------------------------
-* Testbench control
-*----------------------------
-.control
-* DC sweep from 0.7 to 0.8V
-dc Vgate 0.7 0.8 0.001
-wrdata test.data Vpwr#branch vin
-
-.endc
-
-.end
-
diff --git a/xschem/user_analog_project_wrapper.sch b/xschem/user_analog_project_wrapper.sch
index e3cbcec..53c2983 100644
--- a/xschem/user_analog_project_wrapper.sch
+++ b/xschem/user_analog_project_wrapper.sch
@@ -1,69 +1,22 @@
-v {xschem version=2.9.9 file_version=1.2 }
+v {xschem version=3.0.0 file_version=1.2 }
G {}
K {}
V {}
S {}
E {}
-N 3830 -460 3830 -390 { lab=vdda1}
-N 3730 -460 3830 -460 { lab=vdda1}
-N 3860 -230 3860 -180 { lab=vssa1}
-N 3770 -180 3860 -180 { lab=vssa1}
-N 3890 -460 3890 -390 { lab=vccd1}
-N 3890 -460 3960 -460 { lab=vccd1}
-N 3890 -130 3890 -60 { lab=vccd1}
-N 3890 -130 3950 -130 { lab=vccd1}
-N 3830 -130 3830 -60 { lab=io_analog[4]}
-N 3790 -130 3830 -130 { lab=io_analog[4]}
-N 3860 100 3860 150 { lab=vssa1}
-N 3800 150 3860 150 { lab=vssa1}
-N 4010 -10 4110 -10 { lab=gpio_analog[7]}
-N 4010 20 4110 20 { lab=io_out[15]}
-N 4010 50 4110 50 { lab=io_out[16]}
-N 4010 -340 4130 -340 { lab=gpio_analog[3]}
-N 4010 -310 4130 -310 { lab=io_out[11]}
-N 4010 -280 4130 -280 { lab=io_out[12]}
-N 3670 300 3670 340 { lab=io_clamp_low[2]}
-N 3670 400 3670 420 { lab=vssa1}
-N 3670 440 3670 460 { lab=io_clamp_high[2]}
-N 3670 520 3670 530 { lab=vssa1}
-N 3670 570 3670 590 { lab=io_clamp_low[1]}
-N 3670 650 3670 670 { lab=vssa1}
-N 4160 300 4160 330 { lab=io_clamp_high[1]}
-N 4160 390 4160 410 { lab=vssa1}
-N 4160 440 4160 460 { lab=io_clamp_low[0]}
-N 4160 520 4160 530 { lab=vssa1}
-N 4160 550 4160 560 { lab=io_clamp_high[0]}
-N 4160 620 4160 640 { lab=io_analog[4]}
-N 3630 300 3670 300 { lab=io_clamp_low[2]}
-N 3630 420 3670 420 { lab=vssa1}
-N 3630 440 3670 440 { lab=io_clamp_high[2]}
-N 3630 530 3670 530 { lab=vssa1}
-N 3630 570 3670 570 { lab=io_clamp_low[1]}
-N 3630 670 3670 670 { lab=vssa1}
-N 4130 300 4160 300 { lab=io_clamp_high[1]}
-N 4130 410 4160 410 { lab=vssa1}
-N 4130 440 4160 440 { lab=io_clamp_low[0]}
-N 4130 530 4160 530 { lab=vssa1}
-N 4130 550 4160 550 { lab=io_clamp_high[0]}
-N 4130 640 4160 640 { lab=io_analog[4]}
-N 3670 710 3670 750 { lab=io_oeb[12]}
-N 3670 810 3670 830 { lab=vssd1}
-N 3670 850 3670 870 { lab=io_oeb[16]}
-N 3670 930 3670 940 { lab=vssd1}
-N 4160 710 4160 740 { lab=io_oeb[11]}
-N 4160 800 4160 820 { lab=vssd1}
-N 4160 850 4160 870 { lab=#net1}
-N 4160 930 4160 940 { lab=vssd1}
-N 3630 710 3670 710 { lab=io_oeb[12]}
-N 3630 830 3670 830 { lab=vssd1}
-N 3630 850 3670 850 { lab=io_oeb[16]}
-N 3630 940 3670 940 { lab=vssd1}
-N 4130 710 4160 710 { lab=io_oeb[11]}
-N 4130 820 4160 820 { lab=vssd1}
-N 4130 850 4160 850 { lab=#net1}
-N 4130 940 4160 940 { lab=vssd1}
-C {example_por.sym} 3860 -310 0 0 {name=x1}
-C {example_por.sym} 3860 20 0 0 {name=x2}
+N 3850 -10 4100 -10 { lab=#net1}
+N 3850 10 4100 10 { lab=#net2}
+N 3690 -90 3690 -50 { lab=vdda1}
+N 3670 -90 3690 -90 { lab=vdda1}
+N 3710 -90 3710 -50 { lab=vssa1}
+N 3710 -90 3730 -90 { lab=vssa1}
+N 4240 -140 4240 -100 { lab=vdda1}
+N 4220 -140 4240 -140 { lab=vdda1}
+N 4260 -140 4260 -100 { lab=vssa1}
+N 4260 -140 4280 -140 { lab=vssa1}
+N 4000 -60 4100 -60 { lab=io_analog[2]}
+N 4000 -40 4100 -40 { lab=io_analog[3]}
+N 4400 -50 4510 -50 { lab=io_analog[2]}
C {devices/iopin.sym} 3240 -470 0 0 {name=p1 lab=vdda1}
C {devices/iopin.sym} 3240 -440 0 0 {name=p2 lab=vdda2}
C {devices/iopin.sym} 3240 -410 0 0 {name=p3 lab=vssa1}
@@ -96,85 +49,12 @@
C {devices/iopin.sym} 3250 530 0 0 {name=p31 lab=io_clamp_low[2:0]}
C {devices/opin.sym} 3270 600 0 0 {name=p32 lab=user_irq[2:0]}
C {devices/ipin.sym} 3290 210 0 0 {name=p28 lab=la_oenb[127:0]}
-C {devices/lab_pin.sym} 3730 -460 0 0 {name=l1 sig_type=std_logic lab=vdda1}
-C {devices/lab_pin.sym} 3770 -180 0 0 {name=l2 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 3960 -460 0 1 {name=l3 sig_type=std_logic lab=vccd1}
-C {devices/lab_pin.sym} 3950 -130 0 1 {name=l4 sig_type=std_logic lab=vccd1}
-C {devices/lab_pin.sym} 3790 -130 0 0 {name=l5 sig_type=std_logic lab=io_analog[4]}
-C {devices/lab_pin.sym} 3800 150 0 0 {name=l6 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 4130 -340 0 1 {name=l7 sig_type=std_logic lab=gpio_analog[3]}
-C {devices/lab_pin.sym} 4130 -310 0 1 {name=l8 sig_type=std_logic lab=io_out[11]}
-C {devices/lab_pin.sym} 4130 -280 0 1 {name=l9 sig_type=std_logic lab=io_out[12]}
-C {devices/lab_pin.sym} 4110 -10 0 1 {name=l10 sig_type=std_logic lab=gpio_analog[7]}
-C {devices/lab_pin.sym} 4110 20 0 1 {name=l11 sig_type=std_logic lab=io_out[15]}
-C {devices/lab_pin.sym} 4110 50 0 1 {name=l12 sig_type=std_logic lab=io_out[16]}
-C {sky130_fd_pr/res_generic_m1.sym} 3670 370 0 0 {name=R1
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 3670 490 0 0 {name=R2
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 3670 620 0 0 {name=R4
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 4160 360 0 0 {name=R5
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 4160 490 0 0 {name=R6
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 4160 590 0 0 {name=R7
-W=11
-L=0.25
-model=res_generic_m3
-mult=1}
-C {devices/lab_pin.sym} 3630 300 0 0 {name=l13 sig_type=std_logic lab=io_clamp_low[2]}
-C {devices/lab_pin.sym} 3630 440 0 0 {name=l14 sig_type=std_logic lab=io_clamp_high[2]}
-C {devices/lab_pin.sym} 3630 570 0 0 {name=l15 sig_type=std_logic lab=io_clamp_low[1]}
-C {devices/lab_pin.sym} 4130 300 0 0 {name=l16 sig_type=std_logic lab=io_clamp_high[1]}
-C {devices/lab_pin.sym} 4130 440 0 0 {name=l17 sig_type=std_logic lab=io_clamp_low[0]}
-C {devices/lab_pin.sym} 3630 420 0 0 {name=l18 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 3630 530 0 0 {name=l19 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 4130 410 0 0 {name=l20 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 4130 530 0 0 {name=l21 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 3630 670 0 0 {name=l22 sig_type=std_logic lab=vssa1}
-C {devices/lab_pin.sym} 4130 550 0 0 {name=l23 sig_type=std_logic lab=io_clamp_high[0]}
-C {devices/lab_pin.sym} 4130 640 0 0 {name=l24 sig_type=std_logic lab=io_analog[4]}
-C {sky130_fd_pr/res_generic_m1.sym} 3670 780 0 0 {name=R8
-W=0.56
-L=0.49
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 3670 900 0 0 {name=R9
-W=0.56
-L=0.31
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 4160 770 0 0 {name=R11
-W=0.56
-L=0.58
-model=res_generic_m3
-mult=1}
-C {sky130_fd_pr/res_generic_m1.sym} 4160 900 0 0 {name=R12
-W=0.56
-L=0.6
-model=res_generic_m3
-mult=1}
-C {devices/lab_pin.sym} 4130 850 0 0 {name=l25 sig_type=std_logic lab=io_oeb[15]}
-C {devices/lab_pin.sym} 3630 850 0 0 {name=l26 sig_type=std_logic lab=io_oeb[16]}
-C {devices/lab_pin.sym} 4130 710 0 0 {name=l27 sig_type=std_logic lab=io_oeb[11]}
-C {devices/lab_pin.sym} 3630 710 0 0 {name=l28 sig_type=std_logic lab=io_oeb[12]}
-C {devices/lab_pin.sym} 3630 830 0 0 {name=l29 sig_type=std_logic lab=vssd1}
-C {devices/lab_pin.sym} 3630 940 0 0 {name=l30 sig_type=std_logic lab=vssd1}
-C {devices/lab_pin.sym} 4130 820 0 0 {name=l31 sig_type=std_logic lab=vssd1}
-C {devices/lab_pin.sym} 4130 940 0 0 {name=l32 sig_type=std_logic lab=vssd1}
+C {comparator.sym} 4250 -20 0 0 {name=x3}
+C {comparator_bias.sym} 3750 30 0 0 {name=x4}
+C {devices/lab_pin.sym} 3670 -90 0 0 {name=l13 sig_type=std_logic lab=vdda1}
+C {devices/lab_pin.sym} 3730 -90 0 1 {name=l14 sig_type=std_logic lab=vssa1}
+C {devices/lab_pin.sym} 4220 -140 0 0 {name=l15 sig_type=std_logic lab=vdda1}
+C {devices/lab_pin.sym} 4280 -140 0 1 {name=l16 sig_type=std_logic lab=vssa1}
+C {devices/lab_pin.sym} 4000 -60 0 0 {name=l17 sig_type=std_logic lab=io_analog[2]}
+C {devices/lab_pin.sym} 4000 -40 0 0 {name=l18 sig_type=std_logic lab=io_analog[3]}
+C {devices/lab_pin.sym} 4510 -50 0 1 {name=l19 sig_type=std_logic lab=io_analog[0]}
diff --git a/xschem/user_analog_project_wrapper.spice b/xschem/user_analog_project_wrapper.spice
index 0dc2d20..8b24da1 100644
--- a/xschem/user_analog_project_wrapper.spice
+++ b/xschem/user_analog_project_wrapper.spice
@@ -1,88 +1,20 @@
-.subckt user_analog_project_wrapper vdda1 vdda2 vssa1 vssa2 vccd1 vccd2 vssd1 vssd2 wb_clk_i
-+ wb_rst_i wbs_stb_i wbs_cyc_i wbs_we_i wbs_sel_i[3] wbs_sel_i[2] wbs_sel_i[1] wbs_sel_i[0] wbs_dat_i[31]
-+ wbs_dat_i[30] wbs_dat_i[29] wbs_dat_i[28] wbs_dat_i[27] wbs_dat_i[26] wbs_dat_i[25] wbs_dat_i[24] wbs_dat_i[23]
-+ wbs_dat_i[22] wbs_dat_i[21] wbs_dat_i[20] wbs_dat_i[19] wbs_dat_i[18] wbs_dat_i[17] wbs_dat_i[16] wbs_dat_i[15]
-+ wbs_dat_i[14] wbs_dat_i[13] wbs_dat_i[12] wbs_dat_i[11] wbs_dat_i[10] wbs_dat_i[9] wbs_dat_i[8] wbs_dat_i[7]
-+ wbs_dat_i[6] wbs_dat_i[5] wbs_dat_i[4] wbs_dat_i[3] wbs_dat_i[2] wbs_dat_i[1] wbs_dat_i[0] wbs_adr_i[31]
-+ wbs_adr_i[30] wbs_adr_i[29] wbs_adr_i[28] wbs_adr_i[27] wbs_adr_i[26] wbs_adr_i[25] wbs_adr_i[24] wbs_adr_i[23]
-+ wbs_adr_i[22] wbs_adr_i[21] wbs_adr_i[20] wbs_adr_i[19] wbs_adr_i[18] wbs_adr_i[17] wbs_adr_i[16] wbs_adr_i[15]
-+ wbs_adr_i[14] wbs_adr_i[13] wbs_adr_i[12] wbs_adr_i[11] wbs_adr_i[10] wbs_adr_i[9] wbs_adr_i[8] wbs_adr_i[7]
-+ wbs_adr_i[6] wbs_adr_i[5] wbs_adr_i[4] wbs_adr_i[3] wbs_adr_i[2] wbs_adr_i[1] wbs_adr_i[0] wbs_ack_o
-+ wbs_dat_o[31] wbs_dat_o[30] wbs_dat_o[29] wbs_dat_o[28] wbs_dat_o[27] wbs_dat_o[26] wbs_dat_o[25] wbs_dat_o[24]
-+ wbs_dat_o[23] wbs_dat_o[22] wbs_dat_o[21] wbs_dat_o[20] wbs_dat_o[19] wbs_dat_o[18] wbs_dat_o[17] wbs_dat_o[16]
-+ wbs_dat_o[15] wbs_dat_o[14] wbs_dat_o[13] wbs_dat_o[12] wbs_dat_o[11] wbs_dat_o[10] wbs_dat_o[9] wbs_dat_o[8]
-+ wbs_dat_o[7] wbs_dat_o[6] wbs_dat_o[5] wbs_dat_o[4] wbs_dat_o[3] wbs_dat_o[2] wbs_dat_o[1] wbs_dat_o[0]
-+ la_data_in[127] la_data_in[126] la_data_in[125] la_data_in[124] la_data_in[123] la_data_in[122] la_data_in[121]
-+ la_data_in[120] la_data_in[119] la_data_in[118] la_data_in[117] la_data_in[116] la_data_in[115] la_data_in[114]
-+ la_data_in[113] la_data_in[112] la_data_in[111] la_data_in[110] la_data_in[109] la_data_in[108] la_data_in[107]
-+ la_data_in[106] la_data_in[105] la_data_in[104] la_data_in[103] la_data_in[102] la_data_in[101] la_data_in[100]
-+ la_data_in[99] la_data_in[98] la_data_in[97] la_data_in[96] la_data_in[95] la_data_in[94] la_data_in[93]
-+ la_data_in[92] la_data_in[91] la_data_in[90] la_data_in[89] la_data_in[88] la_data_in[87] la_data_in[86]
-+ la_data_in[85] la_data_in[84] la_data_in[83] la_data_in[82] la_data_in[81] la_data_in[80] la_data_in[79]
-+ la_data_in[78] la_data_in[77] la_data_in[76] la_data_in[75] la_data_in[74] la_data_in[73] la_data_in[72]
-+ la_data_in[71] la_data_in[70] la_data_in[69] la_data_in[68] la_data_in[67] la_data_in[66] la_data_in[65]
-+ la_data_in[64] la_data_in[63] la_data_in[62] la_data_in[61] la_data_in[60] la_data_in[59] la_data_in[58]
-+ la_data_in[57] la_data_in[56] la_data_in[55] la_data_in[54] la_data_in[53] la_data_in[52] la_data_in[51]
-+ la_data_in[50] la_data_in[49] la_data_in[48] la_data_in[47] la_data_in[46] la_data_in[45] la_data_in[44]
-+ la_data_in[43] la_data_in[42] la_data_in[41] la_data_in[40] la_data_in[39] la_data_in[38] la_data_in[37]
-+ la_data_in[36] la_data_in[35] la_data_in[34] la_data_in[33] la_data_in[32] la_data_in[31] la_data_in[30]
-+ la_data_in[29] la_data_in[28] la_data_in[27] la_data_in[26] la_data_in[25] la_data_in[24] la_data_in[23]
-+ la_data_in[22] la_data_in[21] la_data_in[20] la_data_in[19] la_data_in[18] la_data_in[17] la_data_in[16]
-+ la_data_in[15] la_data_in[14] la_data_in[13] la_data_in[12] la_data_in[11] la_data_in[10] la_data_in[9]
-+ la_data_in[8] la_data_in[7] la_data_in[6] la_data_in[5] la_data_in[4] la_data_in[3] la_data_in[2] la_data_in[1]
-+ la_data_in[0] la_data_out[127] la_data_out[126] la_data_out[125] la_data_out[124] la_data_out[123]
-+ la_data_out[122] la_data_out[121] la_data_out[120] la_data_out[119] la_data_out[118] la_data_out[117]
-+ la_data_out[116] la_data_out[115] la_data_out[114] la_data_out[113] la_data_out[112] la_data_out[111]
-+ la_data_out[110] la_data_out[109] la_data_out[108] la_data_out[107] la_data_out[106] la_data_out[105]
-+ la_data_out[104] la_data_out[103] la_data_out[102] la_data_out[101] la_data_out[100] la_data_out[99] la_data_out[98]
-+ la_data_out[97] la_data_out[96] la_data_out[95] la_data_out[94] la_data_out[93] la_data_out[92] la_data_out[91]
-+ la_data_out[90] la_data_out[89] la_data_out[88] la_data_out[87] la_data_out[86] la_data_out[85] la_data_out[84]
-+ la_data_out[83] la_data_out[82] la_data_out[81] la_data_out[80] la_data_out[79] la_data_out[78] la_data_out[77]
-+ la_data_out[76] la_data_out[75] la_data_out[74] la_data_out[73] la_data_out[72] la_data_out[71] la_data_out[70]
-+ la_data_out[69] la_data_out[68] la_data_out[67] la_data_out[66] la_data_out[65] la_data_out[64] la_data_out[63]
-+ la_data_out[62] la_data_out[61] la_data_out[60] la_data_out[59] la_data_out[58] la_data_out[57] la_data_out[56]
-+ la_data_out[55] la_data_out[54] la_data_out[53] la_data_out[52] la_data_out[51] la_data_out[50] la_data_out[49]
-+ la_data_out[48] la_data_out[47] la_data_out[46] la_data_out[45] la_data_out[44] la_data_out[43] la_data_out[42]
-+ la_data_out[41] la_data_out[40] la_data_out[39] la_data_out[38] la_data_out[37] la_data_out[36] la_data_out[35]
-+ la_data_out[34] la_data_out[33] la_data_out[32] la_data_out[31] la_data_out[30] la_data_out[29] la_data_out[28]
-+ la_data_out[27] la_data_out[26] la_data_out[25] la_data_out[24] la_data_out[23] la_data_out[22] la_data_out[21]
-+ la_data_out[20] la_data_out[19] la_data_out[18] la_data_out[17] la_data_out[16] la_data_out[15] la_data_out[14]
-+ la_data_out[13] la_data_out[12] la_data_out[11] la_data_out[10] la_data_out[9] la_data_out[8] la_data_out[7]
-+ la_data_out[6] la_data_out[5] la_data_out[4] la_data_out[3] la_data_out[2] la_data_out[1] la_data_out[0] io_in[26]
-+ io_in[25] io_in[24] io_in[23] io_in[22] io_in[21] io_in[20] io_in[19] io_in[18] io_in[17] io_in[16] io_in[15]
-+ io_in[14] io_in[13] io_in[12] io_in[11] io_in[10] io_in[9] io_in[8] io_in[7] io_in[6] io_in[5] io_in[4]
-+ io_in[3] io_in[2] io_in[1] io_in[0] io_in_3v3[26] io_in_3v3[25] io_in_3v3[24] io_in_3v3[23] io_in_3v3[22]
-+ io_in_3v3[21] io_in_3v3[20] io_in_3v3[19] io_in_3v3[18] io_in_3v3[17] io_in_3v3[16] io_in_3v3[15] io_in_3v3[14]
-+ io_in_3v3[13] io_in_3v3[12] io_in_3v3[11] io_in_3v3[10] io_in_3v3[9] io_in_3v3[8] io_in_3v3[7] io_in_3v3[6]
-+ io_in_3v3[5] io_in_3v3[4] io_in_3v3[3] io_in_3v3[2] io_in_3v3[1] io_in_3v3[0] user_clock2 io_out[26] io_out[25]
-+ io_out[24] io_out[23] io_out[22] io_out[21] io_out[20] io_out[19] io_out[18] io_out[17] io_out[16] io_out[15]
-+ io_out[14] io_out[13] io_out[12] io_out[11] io_out[10] io_out[9] io_out[8] io_out[7] io_out[6] io_out[5]
-+ io_out[4] io_out[3] io_out[2] io_out[1] io_out[0] io_oeb[26] io_oeb[25] io_oeb[24] io_oeb[23] io_oeb[22]
-+ io_oeb[21] io_oeb[20] io_oeb[19] io_oeb[18] io_oeb[17] io_oeb[16] io_oeb[15] io_oeb[14] io_oeb[13] io_oeb[12]
-+ io_oeb[11] io_oeb[10] io_oeb[9] io_oeb[8] io_oeb[7] io_oeb[6] io_oeb[5] io_oeb[4] io_oeb[3] io_oeb[2]
-+ io_oeb[1] io_oeb[0] gpio_analog[17] gpio_analog[16] gpio_analog[15] gpio_analog[14] gpio_analog[13]
-+ gpio_analog[12] gpio_analog[11] gpio_analog[10] gpio_analog[9] gpio_analog[8] gpio_analog[7] gpio_analog[6]
-+ gpio_analog[5] gpio_analog[4] gpio_analog[3] gpio_analog[2] gpio_analog[1] gpio_analog[0] gpio_noesd[17]
-+ gpio_noesd[16] gpio_noesd[15] gpio_noesd[14] gpio_noesd[13] gpio_noesd[12] gpio_noesd[11] gpio_noesd[10]
-+ gpio_noesd[9] gpio_noesd[8] gpio_noesd[7] gpio_noesd[6] gpio_noesd[5] gpio_noesd[4] gpio_noesd[3] gpio_noesd[2]
-+ gpio_noesd[1] gpio_noesd[0] io_analog[10] io_analog[9] io_analog[8] io_analog[7] io_analog[6] io_analog[5]
-+ io_analog[4] io_analog[3] io_analog[2] io_analog[1] io_analog[0] io_clamp_high[2] io_clamp_high[1]
-+ io_clamp_high[0] io_clamp_low[2] io_clamp_low[1] io_clamp_low[0] user_irq[2] user_irq[1] user_irq[0] la_oenb[127]
-+ la_oenb[126] la_oenb[125] la_oenb[124] la_oenb[123] la_oenb[122] la_oenb[121] la_oenb[120] la_oenb[119]
-+ la_oenb[118] la_oenb[117] la_oenb[116] la_oenb[115] la_oenb[114] la_oenb[113] la_oenb[112] la_oenb[111]
-+ la_oenb[110] la_oenb[109] la_oenb[108] la_oenb[107] la_oenb[106] la_oenb[105] la_oenb[104] la_oenb[103]
-+ la_oenb[102] la_oenb[101] la_oenb[100] la_oenb[99] la_oenb[98] la_oenb[97] la_oenb[96] la_oenb[95] la_oenb[94]
-+ la_oenb[93] la_oenb[92] la_oenb[91] la_oenb[90] la_oenb[89] la_oenb[88] la_oenb[87] la_oenb[86] la_oenb[85]
-+ la_oenb[84] la_oenb[83] la_oenb[82] la_oenb[81] la_oenb[80] la_oenb[79] la_oenb[78] la_oenb[77] la_oenb[76]
-+ la_oenb[75] la_oenb[74] la_oenb[73] la_oenb[72] la_oenb[71] la_oenb[70] la_oenb[69] la_oenb[68] la_oenb[67]
-+ la_oenb[66] la_oenb[65] la_oenb[64] la_oenb[63] la_oenb[62] la_oenb[61] la_oenb[60] la_oenb[59] la_oenb[58]
-+ la_oenb[57] la_oenb[56] la_oenb[55] la_oenb[54] la_oenb[53] la_oenb[52] la_oenb[51] la_oenb[50] la_oenb[49]
-+ la_oenb[48] la_oenb[47] la_oenb[46] la_oenb[45] la_oenb[44] la_oenb[43] la_oenb[42] la_oenb[41] la_oenb[40]
-+ la_oenb[39] la_oenb[38] la_oenb[37] la_oenb[36] la_oenb[35] la_oenb[34] la_oenb[33] la_oenb[32] la_oenb[31]
-+ la_oenb[30] la_oenb[29] la_oenb[28] la_oenb[27] la_oenb[26] la_oenb[25] la_oenb[24] la_oenb[23] la_oenb[22]
-+ la_oenb[21] la_oenb[20] la_oenb[19] la_oenb[18] la_oenb[17] la_oenb[16] la_oenb[15] la_oenb[14] la_oenb[13]
-+ la_oenb[12] la_oenb[11] la_oenb[10] la_oenb[9] la_oenb[8] la_oenb[7] la_oenb[6] la_oenb[5] la_oenb[4]
-+ la_oenb[3] la_oenb[2] la_oenb[1] la_oenb[0]
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/user_analog_project_wrapper.sch
+**.subckt user_analog_project_wrapper vdda1 vdda2 vssa1 vssa2 vccd1 vccd2 vssd1 vssd2 wb_clk_i
+*+ wb_rst_i wbs_stb_i wbs_cyc_i wbs_we_i wbs_sel_i[3],wbs_sel_i[2],wbs_sel_i[1],wbs_sel_i[0]
+*+ wbs_dat_i[31],wbs_dat_i[30],wbs_dat_i[29],wbs_dat_i[28],wbs_dat_i[27],wbs_dat_i[26],wbs_dat_i[25],wbs_dat_i[24],wbs_dat_i[23],wbs_dat_i[22],wbs_dat_i[21],wbs_dat_i[20],wbs_dat_i[19],wbs_dat_i[18],wbs_dat_i[17],wbs_dat_i[16],wbs_dat_i[15],wbs_dat_i[14],wbs_dat_i[13],wbs_dat_i[12],wbs_dat_i[11],wbs_dat_i[10],wbs_dat_i[9],wbs_dat_i[8],wbs_dat_i[7],wbs_dat_i[6],wbs_dat_i[5],wbs_dat_i[4],wbs_dat_i[3],wbs_dat_i[2],wbs_dat_i[1],wbs_dat_i[0]
+*+ wbs_adr_i[31],wbs_adr_i[30],wbs_adr_i[29],wbs_adr_i[28],wbs_adr_i[27],wbs_adr_i[26],wbs_adr_i[25],wbs_adr_i[24],wbs_adr_i[23],wbs_adr_i[22],wbs_adr_i[21],wbs_adr_i[20],wbs_adr_i[19],wbs_adr_i[18],wbs_adr_i[17],wbs_adr_i[16],wbs_adr_i[15],wbs_adr_i[14],wbs_adr_i[13],wbs_adr_i[12],wbs_adr_i[11],wbs_adr_i[10],wbs_adr_i[9],wbs_adr_i[8],wbs_adr_i[7],wbs_adr_i[6],wbs_adr_i[5],wbs_adr_i[4],wbs_adr_i[3],wbs_adr_i[2],wbs_adr_i[1],wbs_adr_i[0] wbs_ack_o
+*+ wbs_dat_o[31],wbs_dat_o[30],wbs_dat_o[29],wbs_dat_o[28],wbs_dat_o[27],wbs_dat_o[26],wbs_dat_o[25],wbs_dat_o[24],wbs_dat_o[23],wbs_dat_o[22],wbs_dat_o[21],wbs_dat_o[20],wbs_dat_o[19],wbs_dat_o[18],wbs_dat_o[17],wbs_dat_o[16],wbs_dat_o[15],wbs_dat_o[14],wbs_dat_o[13],wbs_dat_o[12],wbs_dat_o[11],wbs_dat_o[10],wbs_dat_o[9],wbs_dat_o[8],wbs_dat_o[7],wbs_dat_o[6],wbs_dat_o[5],wbs_dat_o[4],wbs_dat_o[3],wbs_dat_o[2],wbs_dat_o[1],wbs_dat_o[0]
+*+ la_data_in[127],la_data_in[126],la_data_in[125],la_data_in[124],la_data_in[123],la_data_in[122],la_data_in[121],la_data_in[120],la_data_in[119],la_data_in[118],la_data_in[117],la_data_in[116],la_data_in[115],la_data_in[114],la_data_in[113],la_data_in[112],la_data_in[111],la_data_in[110],la_data_in[109],la_data_in[108],la_data_in[107],la_data_in[106],la_data_in[105],la_data_in[104],la_data_in[103],la_data_in[102],la_data_in[101],la_data_in[100],la_data_in[99],la_data_in[98],la_data_in[97],la_data_in[96],la_data_in[95],la_data_in[94],la_data_in[93],la_data_in[92],la_data_in[91],la_data_in[90],la_data_in[89],la_data_in[88],la_data_in[87],la_data_in[86],la_data_in[85],la_data_in[84],la_data_in[83],la_data_in[82],la_data_in[81],la_data_in[80],la_data_in[79],la_data_in[78],la_data_in[77],la_data_in[76],la_data_in[75],la_data_in[74],la_data_in[73],la_data_in[72],la_data_in[71],la_data_in[70],la_data_in[69],la_data_in[68],la_data_in[67],la_data_in[66],la_data_in[65],la_data_in[64],la_data_in[63],la_data_in[62],la_data_in[61],la_data_in[60],la_data_in[59],la_data_in[58],la_data_in[57],la_data_in[56],la_data_in[55],la_data_in[54],la_data_in[53],la_data_in[52],la_data_in[51],la_data_in[50],la_data_in[49],la_data_in[48],la_data_in[47],la_data_in[46],la_data_in[45],la_data_in[44],la_data_in[43],la_data_in[42],la_data_in[41],la_data_in[40],la_data_in[39],la_data_in[38],la_data_in[37],la_data_in[36],la_data_in[35],la_data_in[34],la_data_in[33],la_data_in[32],la_data_in[31],la_data_in[30],la_data_in[29],la_data_in[28],la_data_in[27],la_data_in[26],la_data_in[25],la_data_in[24],la_data_in[23],la_data_in[22],la_data_in[21],la_data_in[20],la_data_in[19],la_data_in[18],la_data_in[17],la_data_in[16],la_data_in[15],la_data_in[14],la_data_in[13],la_data_in[12],la_data_in[11],la_data_in[10],la_data_in[9],la_data_in[8],la_data_in[7],la_data_in[6],la_data_in[5],la_data_in[4],la_data_in[3],la_data_in[2],la_data_in[1],la_data_in[0]
+*+ la_data_out[127],la_data_out[126],la_data_out[125],la_data_out[124],la_data_out[123],la_data_out[122],la_data_out[121],la_data_out[120],la_data_out[119],la_data_out[118],la_data_out[117],la_data_out[116],la_data_out[115],la_data_out[114],la_data_out[113],la_data_out[112],la_data_out[111],la_data_out[110],la_data_out[109],la_data_out[108],la_data_out[107],la_data_out[106],la_data_out[105],la_data_out[104],la_data_out[103],la_data_out[102],la_data_out[101],la_data_out[100],la_data_out[99],la_data_out[98],la_data_out[97],la_data_out[96],la_data_out[95],la_data_out[94],la_data_out[93],la_data_out[92],la_data_out[91],la_data_out[90],la_data_out[89],la_data_out[88],la_data_out[87],la_data_out[86],la_data_out[85],la_data_out[84],la_data_out[83],la_data_out[82],la_data_out[81],la_data_out[80],la_data_out[79],la_data_out[78],la_data_out[77],la_data_out[76],la_data_out[75],la_data_out[74],la_data_out[73],la_data_out[72],la_data_out[71],la_data_out[70],la_data_out[69],la_data_out[68],la_data_out[67],la_data_out[66],la_data_out[65],la_data_out[64],la_data_out[63],la_data_out[62],la_data_out[61],la_data_out[60],la_data_out[59],la_data_out[58],la_data_out[57],la_data_out[56],la_data_out[55],la_data_out[54],la_data_out[53],la_data_out[52],la_data_out[51],la_data_out[50],la_data_out[49],la_data_out[48],la_data_out[47],la_data_out[46],la_data_out[45],la_data_out[44],la_data_out[43],la_data_out[42],la_data_out[41],la_data_out[40],la_data_out[39],la_data_out[38],la_data_out[37],la_data_out[36],la_data_out[35],la_data_out[34],la_data_out[33],la_data_out[32],la_data_out[31],la_data_out[30],la_data_out[29],la_data_out[28],la_data_out[27],la_data_out[26],la_data_out[25],la_data_out[24],la_data_out[23],la_data_out[22],la_data_out[21],la_data_out[20],la_data_out[19],la_data_out[18],la_data_out[17],la_data_out[16],la_data_out[15],la_data_out[14],la_data_out[13],la_data_out[12],la_data_out[11],la_data_out[10],la_data_out[9],la_data_out[8],la_data_out[7],la_data_out[6],la_data_out[5],la_data_out[4],la_data_out[3],la_data_out[2],la_data_out[1],la_data_out[0]
+*+ io_in[26],io_in[25],io_in[24],io_in[23],io_in[22],io_in[21],io_in[20],io_in[19],io_in[18],io_in[17],io_in[16],io_in[15],io_in[14],io_in[13],io_in[12],io_in[11],io_in[10],io_in[9],io_in[8],io_in[7],io_in[6],io_in[5],io_in[4],io_in[3],io_in[2],io_in[1],io_in[0]
+*+ io_in_3v3[26],io_in_3v3[25],io_in_3v3[24],io_in_3v3[23],io_in_3v3[22],io_in_3v3[21],io_in_3v3[20],io_in_3v3[19],io_in_3v3[18],io_in_3v3[17],io_in_3v3[16],io_in_3v3[15],io_in_3v3[14],io_in_3v3[13],io_in_3v3[12],io_in_3v3[11],io_in_3v3[10],io_in_3v3[9],io_in_3v3[8],io_in_3v3[7],io_in_3v3[6],io_in_3v3[5],io_in_3v3[4],io_in_3v3[3],io_in_3v3[2],io_in_3v3[1],io_in_3v3[0] user_clock2
+*+ io_out[26],io_out[25],io_out[24],io_out[23],io_out[22],io_out[21],io_out[20],io_out[19],io_out[18],io_out[17],io_out[16],io_out[15],io_out[14],io_out[13],io_out[12],io_out[11],io_out[10],io_out[9],io_out[8],io_out[7],io_out[6],io_out[5],io_out[4],io_out[3],io_out[2],io_out[1],io_out[0]
+*+ io_oeb[26],io_oeb[25],io_oeb[24],io_oeb[23],io_oeb[22],io_oeb[21],io_oeb[20],io_oeb[19],io_oeb[18],io_oeb[17],io_oeb[16],io_oeb[15],io_oeb[14],io_oeb[13],io_oeb[12],io_oeb[11],io_oeb[10],io_oeb[9],io_oeb[8],io_oeb[7],io_oeb[6],io_oeb[5],io_oeb[4],io_oeb[3],io_oeb[2],io_oeb[1],io_oeb[0]
+*+ gpio_analog[17],gpio_analog[16],gpio_analog[15],gpio_analog[14],gpio_analog[13],gpio_analog[12],gpio_analog[11],gpio_analog[10],gpio_analog[9],gpio_analog[8],gpio_analog[7],gpio_analog[6],gpio_analog[5],gpio_analog[4],gpio_analog[3],gpio_analog[2],gpio_analog[1],gpio_analog[0]
+*+ gpio_noesd[17],gpio_noesd[16],gpio_noesd[15],gpio_noesd[14],gpio_noesd[13],gpio_noesd[12],gpio_noesd[11],gpio_noesd[10],gpio_noesd[9],gpio_noesd[8],gpio_noesd[7],gpio_noesd[6],gpio_noesd[5],gpio_noesd[4],gpio_noesd[3],gpio_noesd[2],gpio_noesd[1],gpio_noesd[0]
+*+ io_analog[10],io_analog[9],io_analog[8],io_analog[7],io_analog[6],io_analog[5],io_analog[4],io_analog[3],io_analog[2],io_analog[1],io_analog[0] io_clamp_high[2],io_clamp_high[1],io_clamp_high[0] io_clamp_low[2],io_clamp_low[1],io_clamp_low[0]
+*+ user_irq[2],user_irq[1],user_irq[0]
+*+ la_oenb[127],la_oenb[126],la_oenb[125],la_oenb[124],la_oenb[123],la_oenb[122],la_oenb[121],la_oenb[120],la_oenb[119],la_oenb[118],la_oenb[117],la_oenb[116],la_oenb[115],la_oenb[114],la_oenb[113],la_oenb[112],la_oenb[111],la_oenb[110],la_oenb[109],la_oenb[108],la_oenb[107],la_oenb[106],la_oenb[105],la_oenb[104],la_oenb[103],la_oenb[102],la_oenb[101],la_oenb[100],la_oenb[99],la_oenb[98],la_oenb[97],la_oenb[96],la_oenb[95],la_oenb[94],la_oenb[93],la_oenb[92],la_oenb[91],la_oenb[90],la_oenb[89],la_oenb[88],la_oenb[87],la_oenb[86],la_oenb[85],la_oenb[84],la_oenb[83],la_oenb[82],la_oenb[81],la_oenb[80],la_oenb[79],la_oenb[78],la_oenb[77],la_oenb[76],la_oenb[75],la_oenb[74],la_oenb[73],la_oenb[72],la_oenb[71],la_oenb[70],la_oenb[69],la_oenb[68],la_oenb[67],la_oenb[66],la_oenb[65],la_oenb[64],la_oenb[63],la_oenb[62],la_oenb[61],la_oenb[60],la_oenb[59],la_oenb[58],la_oenb[57],la_oenb[56],la_oenb[55],la_oenb[54],la_oenb[53],la_oenb[52],la_oenb[51],la_oenb[50],la_oenb[49],la_oenb[48],la_oenb[47],la_oenb[46],la_oenb[45],la_oenb[44],la_oenb[43],la_oenb[42],la_oenb[41],la_oenb[40],la_oenb[39],la_oenb[38],la_oenb[37],la_oenb[36],la_oenb[35],la_oenb[34],la_oenb[33],la_oenb[32],la_oenb[31],la_oenb[30],la_oenb[29],la_oenb[28],la_oenb[27],la_oenb[26],la_oenb[25],la_oenb[24],la_oenb[23],la_oenb[22],la_oenb[21],la_oenb[20],la_oenb[19],la_oenb[18],la_oenb[17],la_oenb[16],la_oenb[15],la_oenb[14],la_oenb[13],la_oenb[12],la_oenb[11],la_oenb[10],la_oenb[9],la_oenb[8],la_oenb[7],la_oenb[6],la_oenb[5],la_oenb[4],la_oenb[3],la_oenb[2],la_oenb[1],la_oenb[0]
*.iopin vdda1
*.iopin vdda2
*.iopin vssa1
@@ -128,75 +60,141 @@
*.opin user_irq[2],user_irq[1],user_irq[0]
*.ipin
*+ la_oenb[127],la_oenb[126],la_oenb[125],la_oenb[124],la_oenb[123],la_oenb[122],la_oenb[121],la_oenb[120],la_oenb[119],la_oenb[118],la_oenb[117],la_oenb[116],la_oenb[115],la_oenb[114],la_oenb[113],la_oenb[112],la_oenb[111],la_oenb[110],la_oenb[109],la_oenb[108],la_oenb[107],la_oenb[106],la_oenb[105],la_oenb[104],la_oenb[103],la_oenb[102],la_oenb[101],la_oenb[100],la_oenb[99],la_oenb[98],la_oenb[97],la_oenb[96],la_oenb[95],la_oenb[94],la_oenb[93],la_oenb[92],la_oenb[91],la_oenb[90],la_oenb[89],la_oenb[88],la_oenb[87],la_oenb[86],la_oenb[85],la_oenb[84],la_oenb[83],la_oenb[82],la_oenb[81],la_oenb[80],la_oenb[79],la_oenb[78],la_oenb[77],la_oenb[76],la_oenb[75],la_oenb[74],la_oenb[73],la_oenb[72],la_oenb[71],la_oenb[70],la_oenb[69],la_oenb[68],la_oenb[67],la_oenb[66],la_oenb[65],la_oenb[64],la_oenb[63],la_oenb[62],la_oenb[61],la_oenb[60],la_oenb[59],la_oenb[58],la_oenb[57],la_oenb[56],la_oenb[55],la_oenb[54],la_oenb[53],la_oenb[52],la_oenb[51],la_oenb[50],la_oenb[49],la_oenb[48],la_oenb[47],la_oenb[46],la_oenb[45],la_oenb[44],la_oenb[43],la_oenb[42],la_oenb[41],la_oenb[40],la_oenb[39],la_oenb[38],la_oenb[37],la_oenb[36],la_oenb[35],la_oenb[34],la_oenb[33],la_oenb[32],la_oenb[31],la_oenb[30],la_oenb[29],la_oenb[28],la_oenb[27],la_oenb[26],la_oenb[25],la_oenb[24],la_oenb[23],la_oenb[22],la_oenb[21],la_oenb[20],la_oenb[19],la_oenb[18],la_oenb[17],la_oenb[16],la_oenb[15],la_oenb[14],la_oenb[13],la_oenb[12],la_oenb[11],la_oenb[10],la_oenb[9],la_oenb[8],la_oenb[7],la_oenb[6],la_oenb[5],la_oenb[4],la_oenb[3],la_oenb[2],la_oenb[1],la_oenb[0]
-x1 vdda1 vccd1 gpio_analog[3] io_out[11] io_out[12] vssa1 example_por
-x2 io_analog[4] vccd1 gpio_analog[7] io_out[15] io_out[16] vssa1 example_por
-R1 vssa1 io_clamp_low[2] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R2 vssa1 io_clamp_high[2] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R3 vssa1 io_clamp_high[2] sky130_fd_pr__res_generic_m1 W=1 L=1 m=1
-R4 vssa1 io_clamp_low[1] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R5 vssa1 io_clamp_high[1] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R6 vssa1 io_clamp_low[0] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R7 io_analog[4] io_clamp_high[0] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R8 vssd1 io_oeb[15] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R9 vssd1 io_oeb[16] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R10 vssd1 io_oeb[16] sky130_fd_pr__res_generic_m1 W=1 L=1 m=1
-R11 vssd1 io_oeb[11] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
-R12 vssd1 io_oeb[12] sky130_fd_pr__res_generic_m3 W=1 L=1 m=1
+x3 vdda1 net1 net2 vssa1 io_analog[2] io_analog[0] io_analog[3] comparator
+x4 vdda1 vssa1 net1 net2 comparator_bias
+**.ends
+
+* expanding symbol: comparator.sym # of pins=7
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator.sch
+.subckt comparator VDD VBP VBN VSS VINP VOUT VINM
+*.ipin VINP
+*.ipin VINM
+*.ipin VBN
+*.ipin VBP
+*.iopin VDD
+*.iopin VSS
+*.opin VOUT
+XM1 net3 VINM net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM2 net2 VINP net1 VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM3 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM4 net4 net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM5 VOUTANALOG net4 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM6 net3 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM7 net2 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM8 net4 net3 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM9 VOUTANALOG net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM10 net6 VINM net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM11 net7 VINP net5 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=4 m=4
+XM12 net5 VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM13 net8 net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM14 VOUTANALOG net8 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM15 net6 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM16 net7 net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM17 net8 net6 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM18 VOUTANALOG net7 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=2 m=2
+XM19 net9 VOUTANALOG VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM20 net9 VOUTANALOG VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
++ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
++ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
+XM21 VOUT net9 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=10 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM22 VOUT net9 VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM23 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM24 net5 VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=2 m=2
+XM25 VSS VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
+XM26 VDD VDD VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=8 m=8
.ends
-* expanding symbol: example_por.sym # of pins=6
-* sym_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sym
-* sch_path: /home/tim/gits/caravel_user_project_analog/xschem/example_por.sch
-.subckt example_por vdd3v3 vdd1v8 porb_h porb_l por_l vss
-*.iopin vdd3v3
-*.iopin vss
-*.opin porb_h
-*.opin porb_l
-*.opin por_l
-*.iopin vdd1v8
-XC1 net9 vss sky130_fd_pr__cap_mim_m3_1 W=30 L=30 MF=1 m=1
-XC2 vss net9 sky130_fd_pr__cap_mim_m3_2 W=30 L=30 MF=1 m=1
-XM1 net3 net7 net5 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM2 net2 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+
+* expanding symbol: comparator_bias.sym # of pins=4
+** sym_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sym
+** sch_path: /home/design/dev/caravel_user_project_analog/xschem/comparator_bias.sch
+.subckt comparator_bias VDD VSS VBP VBN
+*.opin VBP
+*.opin VBN
+*.iopin VDD
+*.iopin VSS
+XR1 net2 VDD VSS sky130_fd_pr__res_high_po W=1.41 L=141 mult=1 m=1
+XM3 net1 net2 VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR1 net4 vdd3v3 vss sky130_fd_pr__res_xhigh_po_0p69 L=500 mult=1 m=1
-XM4 net5 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM5 net3 net3 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM4 VBN net1 net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=20 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XR2 vss net4 vss sky130_fd_pr__res_xhigh_po_0p69 L=150 mult=1 m=1
-XM7 net2 net2 net1 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM8 net1 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=14 nf=7 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM10 net7 net4 vss vss sky130_fd_pr__nfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM5 VBN VBN net2 VDD sky130_fd_pr__pfet_g5v0d10v5 L=15 W=1 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
-+ sa=0 sb=0 sd=0 mult=1 m=1
-XM9 net7 net7 net6 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM11 net6 net6 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=16 nf=8 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM12 net8 net1 vdd3v3 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XM13 net9 net2 net8 vdd3v3 sky130_fd_pr__pfet_g5v0d10v5 L=0.8 W=2 nf=1 ad='int((nf+1)/2) * W/nf * 0.29'
-+ as='int((nf+2)/2) * W/nf * 0.29' pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)'
-+ nrd='0.29 / W' nrs='0.29 / W' sa=0 sb=0 sd=0 mult=1 m=1
-XR3 vss vss vss sky130_fd_pr__res_xhigh_po_0p69 L=25 mult=2 m=2
-x2 net10 vss vss vdd3v3 vdd3v3 porb_h sky130_fd_sc_hvl__buf_8
-x3 net10 vss vss vdd1v8 vdd1v8 porb_l sky130_fd_sc_hvl__buf_8
-x4 net10 vss vss vdd1v8 vdd1v8 por_l sky130_fd_sc_hvl__inv_8
-x5 net9 vss vss vdd3v3 vdd3v3 net10 sky130_fd_sc_hvl__schmittbuf_1
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM7 VBP VBP VDD VDD sky130_fd_pr__pfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM1 VBN VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM2 net1 VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM6 VBP VBN VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM8 VBN VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM9 net1 VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
+XM10 VBP VSS VSS VSS sky130_fd_pr__nfet_g5v0d10v5 L=2 W=5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
++ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
++ sa=0 sb=0 sd=0 mult=1 m=1
.ends
-** flattened .save nodes
.end
diff --git a/xschem/xschemrc b/xschem/xschemrc
index ca6e33e..76dff2f 100644
--- a/xschem/xschemrc
+++ b/xschem/xschemrc
@@ -27,7 +27,7 @@
#### Allow user environment to override the path to the PDK
if {[catch {set PDKPATH $env(PDKPATH)}]} {
- set PDKPATH "/usr/share/pdk/sky130A"
+ set PDKPATH "/home/design/OpenLane/pdks/sky130A"
}
#### Flush any previous definition
set XSCHEM_LIBRARY_PATH {}
