| v {xschem version=3.1.0 file_version=1.2 |
| * Copyright 2021 Stefan Frederik Schippers |
| * |
| * 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. |
| |
| } |
| G {} |
| K {} |
| V {} |
| S {} |
| E {} |
| B 2 260 -1150 1400 -800 {flags=graph |
| digital=1 |
| y1=-0.12 |
| y2=1.9 |
| divy=4 |
| |
| x1=0 |
| x2=8e-08 |
| ypos1=0.1619 |
| ypos2=1.51212 |
| divx=10 |
| subdivx=4 |
| node="\\"OUTPUTS |
| SPICE; nothing\\" |
| q |
| x |
| y |
| qlatch |
| xschem" |
| color="9 10 10 10 10 10" |
| dataset=0 |
| unitx=n |
| subdivy=1} |
| B 2 260 -800 1400 -450 {flags=graph |
| digital=1 |
| y1=-0.12 |
| y2=1.9 |
| divy=4 |
| |
| x1=0 |
| x2=8e-08 |
| ypos1=0.177443 |
| ypos2=1.52431 |
| divx=10 |
| subdivx=4 |
| node="\\"OUTPUTS |
| XSPICE; nothing\\" |
| x_q |
| x_x |
| x_y |
| x_qlatch |
| x_xschem" |
| color="9 8 8 8 8 8" |
| dataset=0 |
| unitx=n |
| subdivy=1} |
| B 2 260 -1500 1400 -1150 {flags=graph |
| digital=1 |
| y1=-0.12 |
| y2=1.9 |
| divy=4 |
| |
| x1=0 |
| x2=8e-08 |
| ypos1=0.0842025 |
| ypos2=1.28762 |
| divx=10 |
| subdivx=4 |
| node="\\"INPUTS; nothing\\" |
| clk |
| a |
| b |
| reset_b" |
| color="9 4 4 4 4" |
| dataset=0 |
| unitx=n |
| subdivy=1} |
| T {Comparison of transistor level vs Xspice simulation |
| xspice netlist obtained with spi2xspice.py script |
| from qflow.} 1450 -1460 0 0 1 1 {} |
| N 50 -580 50 -560 { lab=A} |
| N 50 -470 50 -450 { lab=B} |
| N 50 -720 50 -700 { lab=CLK} |
| N 50 -840 50 -820 { lab=RESET_B} |
| C {devices/code.sym} 860 -190 0 0 {name=TT_MODELS |
| only_toplevel=true |
| format="tcleval(@value )" |
| value=".lib $::SKYWATER_MODELS/sky130.lib.spice tt |
| .include $::SKYWATER_STDCELLS/sky130_fd_sc_hd.spice |
| " |
| spice_ignore=false |
| place=header} |
| C {devices/code_shown.sym} 30 -330 0 0 {name=STIMULI |
| only_toplevel=true |
| value=" |
| .options acct list |
| .temp 25 |
| vvcc vcc 0 dc 1.8 |
| vvss vss 0 0 |
| .control |
| esave all |
| tran 30p 80n |
| plot clk+18 a+16 b+14 reset_b+12 q+10 x+6 y+4 qlatch+2 xschem |
| write test_stdcells.raw |
| eprvcd x1.IQ x1.IQLATCH x1.iX x1.iY x1.IXSCHEM x1.RESET_B |
| + x1.A x1.B x1.CLK > test_stdcells.vcd |
| .endc |
| "} |
| C {devices/sqwsource.sym} 50 -530 0 0 {name=V1 vhi=1.8 freq=0.09e9} |
| C {devices/sqwsource.sym} 50 -420 0 0 {name=V2 vhi=1.8 freq=0.02e9} |
| C {devices/lab_pin.sym} 50 -390 0 0 {name=p4 lab=0} |
| C {devices/lab_pin.sym} 50 -500 0 0 {name=p5 lab=0} |
| C {devices/lab_pin.sym} 50 -580 0 1 {name=p6 lab=A} |
| C {devices/lab_pin.sym} 50 -470 0 1 {name=p7 lab=B} |
| C {devices/sqwsource.sym} 50 -670 0 0 {name=V3 vhi=1.8 freq=0.2e9} |
| C {devices/lab_pin.sym} 50 -640 0 0 {name=p8 lab=0} |
| C {devices/lab_pin.sym} 50 -720 0 1 {name=p9 lab=CLK} |
| C {devices/sqwsource.sym} 50 -790 0 0 {name=V4 vhi=1.8 freq=0.7e8} |
| C {devices/lab_pin.sym} 50 -760 0 0 {name=p12 lab=0} |
| C {devices/lab_pin.sym} 50 -840 0 1 {name=p13 lab=RESET_B} |
| C {devices/title.sym} 160 -30 0 0 {name=l1 author="Stefan Schippers"} |
| C {devices/launcher.sym} 655 -385 0 0 {name=h1 |
| descr="Select arrow and |
| Ctrl-Left-Click to load/unload waveforms |
| after running simulation" |
| tclcommand=" |
| xschem raw_read $netlist_dir/[file tail [file rootname [xschem get current_name]]].raw tran |
| " |
| } |
| C {sky130_tests/stdcells.sym} 1340 -280 0 0 {name=x2} |
| C {devices/lab_pin.sym} 1490 -330 0 1 {name=p1 lab=QLATCH} |
| C {devices/lab_pin.sym} 1190 -330 0 0 {name=p2 lab=A} |
| C {devices/lab_pin.sym} 1490 -310 0 1 {name=p3 lab=X} |
| C {devices/lab_pin.sym} 1190 -310 0 0 {name=p4 lab=B} |
| C {devices/lab_pin.sym} 1490 -290 0 1 {name=p5 lab=Y} |
| C {devices/lab_pin.sym} 1190 -290 0 0 {name=p6 lab=CLK} |
| C {devices/lab_pin.sym} 1490 -270 0 1 {name=p7 lab=Q} |
| C {devices/lab_pin.sym} 1190 -270 0 0 {name=p8 lab=RESET_B} |
| C {devices/lab_pin.sym} 1490 -250 0 1 {name=p9 lab=XSCHEM} |
| C {devices/lab_pin.sym} 1190 -250 0 0 {name=p10 lab=VCC} |
| C {devices/lab_pin.sym} 1190 -230 0 0 {name=p11 lab=VSS} |
| C {sky130_tests/stdcells_xspice.sym} 1340 -130 0 0 {name=x1} |
| C {devices/lab_pin.sym} 1490 -180 0 1 {name=p1 lab=X_QLATCH} |
| C {devices/lab_pin.sym} 1190 -180 0 0 {name=p2 lab=A} |
| C {devices/lab_pin.sym} 1490 -160 0 1 {name=p3 lab=X_X} |
| C {devices/lab_pin.sym} 1190 -160 0 0 {name=p4 lab=B} |
| C {devices/lab_pin.sym} 1490 -140 0 1 {name=p5 lab=X_Y} |
| C {devices/lab_pin.sym} 1190 -140 0 0 {name=p6 lab=CLK} |
| C {devices/lab_pin.sym} 1490 -120 0 1 {name=p7 lab=X_Q} |
| C {devices/lab_pin.sym} 1190 -120 0 0 {name=p8 lab=RESET_B} |
| C {devices/lab_pin.sym} 1490 -100 0 1 {name=p9 lab=X_XSCHEM} |
| C {devices/lab_pin.sym} 1190 -100 0 0 {name=p10 lab=VCC} |
| C {devices/lab_pin.sym} 1190 -80 0 0 {name=p11 lab=VSS} |
| C {devices/code_shown.sym} 1440 -1050 0 0 {name=XSPICE_MODELS |
| only_toplevel=true |
| value=".model todig_1v8 adc_bridge(in_high=1.2 in_low=0.6 rise_delay=200p fall_delay=200p) |
| .model toana_1v8 dac_bridge(out_high=1.8 out_low=0 out_undef=0.9 |
| + t_rise=200p t_fall=200p input_load=10f ) |
| |
| .model ddflop d_dff(ic=0 rise_delay=200p fall_delay=200p |
| + clk_delay=20p reset_delay=20p data_load=10f reset_load=10f clk_load=10f) |
| .model dlatch d_dlatch(ic=0 rise_delay=200p fall_delay=200p |
| + data_delay = 20p enable_delay=20p reset_delay=200p data_load=10f reset_load=10f enable_load=10f) |
| .model dzero d_pulldown(load=10f) |
| .model done d_pullup(load=10f) |
| |
| * sky130_fd_sc_hd__nand2_1 (!A) | (!B) |
| .model d_lut_sky130_fd_sc_hd__nand2_1 d_lut (rise_delay=200p fall_delay=200p input_load=10f |
| + table_values \\"1110\\") |
| * sky130_fd_sc_hd__dfrtp_1 IQ |
| * sky130_fd_sc_hd__nor2b_1 (!A&B_N) |
| .model d_lut_sky130_fd_sc_hd__nor2b_1 d_lut (rise_delay=200p fall_delay=200p input_load=10f |
| + table_values \\"0010\\") |
| * sky130_fd_sc_hd__dlrbn_1 IQ |
| * sky130_fd_sc_hd__a31o_2 (A1&A2&A3) | (B1) |
| .model d_lut_sky130_fd_sc_hd__a31o_2 d_lut (rise_delay=200p fall_delay=200p input_load=10f |
| + table_values \\"0000000111111111\\") |
| * sky130_fd_sc_hd__inv_2 (!A) |
| .model d_lut_sky130_fd_sc_hd__inv_2 d_lut (rise_delay=200p fall_delay=200p input_load=10f |
| + table_values \\"10\\") |
| * sky130_fd_sc_hd__buf_2 (A) |
| .model d_lut_sky130_fd_sc_hd__buf_2 d_lut (rise_delay=200p fall_delay=200p input_load=10f |
| + table_values \\"01\\") |
| |
| "} |
| C {devices/launcher.sym} 660 -310 0 0 {name=h2 |
| descr="View Raw file" |
| tclcommand="textwindow $netlist_dir/[file tail [file rootname [ xschem get schname 0 ] ] ].raw" |
| } |
