| v {xschem version=3.0.0 file_version=1.2 } |
| G {} |
| K {} |
| V {} |
| S {} |
| E {} |
| B 2 1350 -10 2150 390 {flags=graph |
| y1=0 |
| y2=2 |
| ypos1=0 |
| ypos2=2 |
| divy=5 |
| subdivy=1 |
| unity=1 |
| x1=0 |
| x2=3.95631e-05 |
| divx=5 |
| subdivx=1 |
| node="PIXEL_OUT,col0x7x,col0x6x,col0x5x,col0x4x,col0x3x,col0x2x,col0x1x,col0x0x |
| read" |
| color="4 5" |
| dataset=0 |
| unitx=u |
| digital=1} |
| B 2 1350 -450 2150 -50 {flags=graph |
| y1=0.58 |
| y2=0.6 |
| ypos1=0 |
| ypos2=2 |
| divy=5 |
| subdivy=1 |
| unity=1 |
| x1=0 |
| x2=3.95631e-05 |
| divx=5 |
| subdivx=1 |
| |
| |
| dataset=0 |
| unitx=u |
| color=4 |
| node=AMP_OUT} |
| N 130 260 130 290 { lab=PLUS} |
| N 270 260 270 290 { lab=vbias} |
| N 370 260 370 290 { lab=CSA} |
| N 420 60 440 60 { |
| lab=vbias} |
| N 420 -100 440 -100 { |
| lab=CSA} |
| N 420 -140 440 -140 { |
| lab=PLUS} |
| N 420 120 440 120 { |
| lab=VDD} |
| N -30 450 -20 450 { |
| lab=VCC} |
| N 20 470 30 470 { |
| lab=VCC} |
| N 60 490 70 490 { |
| lab=VCC} |
| N 40 450 130 450 { |
| lab=#net1} |
| N 90 470 130 470 { |
| lab=#net2} |
| N 420 80 440 80 { |
| lab=NB1} |
| N 420 100 440 100 { |
| lab=NB2} |
| N 420 -80 440 -80 { |
| lab=SF_IB} |
| N 500 260 500 280 { |
| lab=ADC_ON} |
| N 500 340 500 360 { |
| lab=GND} |
| N -340 340 -340 380 { |
| lab=NB1} |
| N -420 380 -340 380 { |
| lab=NB1} |
| N -420 240 -420 380 { |
| lab=NB1} |
| N -490 340 -490 360 { |
| lab=NB2} |
| N -520 360 -490 360 { |
| lab=NB2} |
| N -580 360 -520 360 { |
| lab=NB2} |
| N -490 330 -490 340 { |
| lab=NB2} |
| N -180 310 -180 370 { |
| lab=GND} |
| N -250 230 -180 230 { |
| lab=SF_IB} |
| N -180 230 -180 250 { |
| lab=SF_IB} |
| N -100 260 -100 290 { lab=row_sel} |
| N -100 260 -70 260 { |
| lab=row_sel} |
| N 420 0 440 0 { |
| lab=BIAS1_OUT} |
| N 420 -20 440 -20 { |
| lab=BIAS2_OUT} |
| N 710 290 710 310 { |
| lab=RAMP} |
| N 640 290 640 310 { |
| lab=VCC} |
| N 730 450 730 470 { |
| lab=SA_VREF} |
| N 730 530 730 550 { |
| lab=GND} |
| N 120 670 120 690 { |
| lab=#net3} |
| N 120 670 200 670 { |
| lab=#net3} |
| N 260 670 440 670 { |
| lab=CLK} |
| N 30 610 30 630 { |
| lab=#net4} |
| N 30 610 230 610 { |
| lab=#net4} |
| N 230 610 230 630 { |
| lab=#net4} |
| N 210 830 230 830 { |
| lab=#net5} |
| N 210 850 230 850 { |
| lab=#net6} |
| N 210 810 230 810 { |
| lab=#net7} |
| N 530 950 550 950 { |
| lab=#net8} |
| N 530 930 550 930 { |
| lab=#net9} |
| N 530 910 550 910 { |
| lab=#net10} |
| N 530 890 550 890 { |
| lab=#net11} |
| N 530 870 550 870 { |
| lab=#net12} |
| N 530 850 550 850 { |
| lab=#net13} |
| N 530 830 550 830 { |
| lab=#net14} |
| N 530 810 550 810 { |
| lab=#net15} |
| N 40 850 50 850 { |
| lab=GND} |
| N 420 40 440 40 { |
| lab=GRAY_IN[7:0]} |
| N 420 20 440 20 { |
| lab=RAMP} |
| N 420 -120 440 -120 { |
| lab=row_sel} |
| N 840 450 840 470 { |
| lab=READ} |
| N 420 -40 440 -40 { |
| lab=READ} |
| N 740 -160 790 -160 { |
| lab=AMP_OUT} |
| N 740 -140 790 -140 { |
| lab=PIX_OUT} |
| N 740 -120 790 -120 { |
| lab=OUT[7:0]} |
| N 910 20 930 20 { lab=GND} |
| N 910 20 910 100 { lab=GND} |
| N 960 100 1000 100 { |
| lab=ARRAY_OUT} |
| N 860 100 880 100 { |
| lab=PIX_OUT} |
| N 980 100 980 130 { |
| lab=ARRAY_OUT} |
| N 940 100 960 100 { |
| lab=ARRAY_OUT} |
| N 810 660 830 660 { |
| lab=SA_VREF} |
| N 810 640 830 640 { |
| lab=OUT[7:0]} |
| N 1130 640 1150 640 { |
| lab=COL0[7:0]} |
| N 810 680 830 680 { |
| lab=SA_IREF_OUT} |
| C {devices/code.sym} -10 60 0 0 {name=TT_MODELS1 |
| only_toplevel=true |
| format="tcleval( @value )" |
| value=" |
| ** opencircuitdesign pdks install |
| .lib $::SKYWATER_MODELS/sky130.lib.spice tt |
| .global vcc |
| " |
| spice_ignore=false} |
| C {devices/code.sym} -10 -100 0 0 {name=STIMULI1 |
| only_toplevel=true |
| place=end |
| value=" |
| .options gmin=10e-20 |
| .control |
| save all |
| |
| *dc v2 0 1.8 0.05 |
| *plot v(test) |
| tran 1u 200u |
| |
| write pixel_components_tb.raw |
| .endc |
| "} |
| C {devices/vsource.sym} 60 320 0 0 {name=V8 value=1.8 net_name=true} |
| C {devices/vsource.sym} 130 320 0 0 {name=V9 only_toplevel=true value="DC=0.80"} |
| C {devices/lab_pin.sym} 130 260 0 1 {name=l1 sig_type=std_logic lab=PLUS} |
| C {devices/vsource.sym} 270 320 0 0 {name=V11 only_toplevel=true value="DC=1"} |
| C {devices/lab_pin.sym} 270 260 0 1 {name=l4 sig_type=std_logic lab=vbias} |
| C {devices/gnd.sym} 60 350 0 0 {name=l6 lab=GND} |
| C {devices/gnd.sym} 130 350 0 0 {name=l7 lab=GND} |
| C {devices/gnd.sym} 270 350 0 0 {name=l31 lab=GND} |
| C {devices/vsource.sym} 370 320 0 0 {name=V12 only_toplevel=true value="DC=0.7"} |
| C {devices/lab_pin.sym} 370 260 0 1 {name=l9 sig_type=std_logic lab=CSA} |
| C {devices/gnd.sym} 370 350 0 0 {name=l36 lab=GND} |
| C {devices/vdd.sym} 60 290 0 0 {name=l37 lab=VDD} |
| C {devices/lab_pin.sym} 420 -100 2 1 {name=l2 sig_type=std_logic lab=CSA} |
| C {devices/lab_pin.sym} 420 60 2 1 {name=l3 sig_type=std_logic lab=vbias} |
| C {devices/lab_pin.sym} 420 -140 2 1 {name=l5 sig_type=std_logic lab=PLUS} |
| C {devices/vdd.sym} 420 120 3 0 {name=l8 lab=VDD} |
| C {devices/isource.sym} 10 450 3 0 {name=I1 value=100n} |
| C {devices/lab_pin.sym} -30 450 3 0 {name=p12 lab=VCC} |
| C {devices/isource.sym} 60 470 3 0 {name=I3 value=40n} |
| C {devices/lab_pin.sym} 20 470 3 0 {name=p3 lab=VCC} |
| C {devices/isource.sym} 100 490 3 0 {name=I8 value=200n} |
| C {devices/lab_pin.sym} 60 490 3 0 {name=p13 lab=VCC} |
| C {devices/lab_pin.sym} 430 430 2 0 {name=l40 sig_type=std_logic lab=NB1} |
| C {devices/lab_pin.sym} 430 450 2 0 {name=l55 sig_type=std_logic lab=NB2} |
| C {devices/lab_pin.sym} 430 510 2 0 {name=l56 lab=BIAS2_OUT} |
| C {devices/lab_pin.sym} 430 470 2 0 {name=l57 lab=SF_IB} |
| C {devices/lab_pin.sym} 430 490 2 0 {name=l58 lab=BIAS1_OUT} |
| C {devices/lab_pin.sym} 430 530 2 0 {name=l59 lab=SA_IREF_OUT} |
| C {devices/lab_pin.sym} 130 430 0 0 {name=l61 sig_type=std_logic lab=ADC_ON} |
| C {devices/lab_pin.sym} 420 80 0 0 {name=l10 sig_type=std_logic lab=NB1} |
| C {devices/lab_pin.sym} 420 100 0 0 {name=l11 sig_type=std_logic lab=NB2} |
| C {devices/lab_pin.sym} 420 -80 0 0 {name=l12 lab=SF_IB} |
| C {devices/vsource.sym} 500 310 0 0 {name=V6 value=1.8} |
| C {devices/gnd.sym} 500 360 0 0 {name=V15 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"} |
| C {devices/gnd.sym} 500 360 0 0 {name=V16 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"} |
| C {devices/lab_pin.sym} 500 260 0 0 {name=l60 sig_type=std_logic lab=ADC_ON} |
| C {devices/ngspice_probe.sym} -340 370 0 0 {name=r2} |
| C {devices/vdd.sym} -340 280 0 0 {name=l46 lab=VDD} |
| C {devices/lab_pin.sym} -420 240 0 1 {name=l47 sig_type=std_logic lab=NB1} |
| C {devices/vdd.sym} -490 270 0 0 {name=l48 lab=VDD} |
| C {devices/isource.sym} -490 300 0 0 {name=I4 value=30n} |
| C {devices/lab_pin.sym} -580 360 0 0 {name=l51 sig_type=std_logic lab=NB2} |
| C {devices/isource.sym} -180 280 0 0 {name=I6 value=200n} |
| C {devices/lab_pin.sym} -180 370 0 1 {name=l30 sig_type=std_logic lab=GND} |
| C {devices/lab_pin.sym} -250 230 0 0 {name=l32 sig_type=std_logic lab=SF_IB} |
| C {devices/vsource.sym} -100 320 0 0 {name=V5 net_name=true value="dc=2" PULSE(0 1.8 20m 20u 20u 50m)"} |
| C {devices/gnd.sym} -100 350 0 0 {name=l35 lab=GND} |
| C {devices/lab_pin.sym} -70 260 2 0 {name=l38 sig_type=std_logic lab=row_sel} |
| C {devices/isource.sym} -340 310 0 0 {name=I0 value=400n} |
| C {devices/lab_pin.sym} 420 0 0 0 {name=l13 lab=BIAS1_OUT} |
| C {devices/lab_pin.sym} 420 -20 0 0 {name=l14 lab=BIAS2_OUT} |
| C {devices/code_shown.sym} -470 550 0 0 {name=SPICE only_toplevel=false value=" |
| .param per = 0.1u |
| .param t_start = 4u |
| |
| .param num_bits=8 |
| .param num_rows = 1 |
| .param num_cols = 1 |
| |
| .param ramp_low=400m |
| .param ramp_high=1000m |
| .param t_read=2u |
| |
| .param t_ramp = \{per * pow(2,num_bits)\} |
| .param read_start = \{t_start + t_ramp\} |
| .param pixel_rate = \{t_ramp + t_read*num_rows\} |
| "} |
| C {devices/lab_pin.sym} 640 290 0 0 {name=p1 lab=VCC} |
| C {devices/vsource.sym} 640 340 0 0 {name=V1 value=1.8} |
| C {devices/gnd.sym} 640 370 0 0 {name=l15 lab=GND} |
| C {devices/vsource.sym} 710 340 0 0 {name=V2 value="PULSE(\{ramp_low\} \{ramp_high\} \{t_start\} \{t_ramp\} 0.01u \{pixel_rate-t_ramp\} \{pixel_rate\})"} |
| C {devices/gnd.sym} 710 370 0 0 {name=l16 lab=GND} |
| C {devices/lab_pin.sym} 710 290 2 0 {name=l17 sig_type=std_logic lab=RAMP} |
| C {devices/vsource.sym} 730 500 0 0 {name=V10 value=500m} |
| C {devices/gnd.sym} 730 550 0 0 {name=V13 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"} |
| C {devices/gnd.sym} 730 550 0 0 {name=V14 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"} |
| C {devices/lab_pin.sym} 730 450 0 0 {name=l19 sig_type=std_logic lab=SA_VREF} |
| C {devices/vsource.sym} 120 720 0 0 {name=V4 value="PULSE(0 1.8 \{t_start\} 0.01u 0.01u \{per/2\} \{per\})"} |
| C {devices/gnd.sym} 120 750 0 0 {name=l23 lab=GND} |
| C {devices/vsource.sym} 30 660 0 0 {name=V3 value="PULSE(2 0 \{read_start\} 0.01us 0.01us \{pixel_rate-t_ramp\} \{pixel_rate\})"} |
| C {devices/gnd.sym} 30 690 0 0 {name=l18 lab=GND} |
| C {devices/lab_pin.sym} 440 670 2 0 {name=l42 sig_type=std_logic lab=CLK} |
| C {devices/spice_probe.sym} 310 670 3 0 {name=p22 attrs=""} |
| C {sky130_fd_pr/nfet3_01v8_lvt.sym} 230 650 1 0 {name=M1 |
| L=1 |
| W=5 |
| nf=1 |
| mult=1 |
| body=GND |
| 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_01v8_lvt |
| spiceprefix=X |
| } |
| C {digital_prims/adc_bridge.sym} 120 850 0 0 {name=x6} |
| C {devices/lab_pin.sym} 50 810 0 0 {name=p24 lab=VCC} |
| C {digital_prims/adc_bridge.sym} 120 810 0 0 {name=x8} |
| C {digital_prims/adc_bridge.sym} 120 830 0 0 {name=x7} |
| C {devices/lab_pin.sym} 710 950 2 0 {name=l70 sig_type=std_logic lab=GRAY_IN[0]} |
| C {adc/8bit_graycounter.sym} 380 880 0 0 {name=x10} |
| C {devices/gnd.sym} 40 850 1 0 {name=l71 lab=GND} |
| C {devices/lab_pin.sym} 710 930 2 0 {name=l72 sig_type=std_logic lab=GRAY_IN[1]} |
| C {devices/lab_pin.sym} 710 910 2 0 {name=l73 sig_type=std_logic lab=GRAY_IN[2]} |
| C {devices/lab_pin.sym} 710 890 2 0 {name=l74 sig_type=std_logic lab=GRAY_IN[3]} |
| C {devices/lab_pin.sym} 710 870 2 0 {name=l75 sig_type=std_logic lab=GRAY_IN[4]} |
| C {devices/lab_pin.sym} 710 850 2 0 {name=l76 sig_type=std_logic lab=GRAY_IN[5]} |
| C {devices/lab_pin.sym} 710 830 2 0 {name=l77 sig_type=std_logic lab=GRAY_IN[6]} |
| C {devices/lab_pin.sym} 710 810 2 0 {name=l78 sig_type=std_logic lab=GRAY_IN[7]} |
| C {devices/lab_pin.sym} 50 830 0 0 {name=l79 sig_type=std_logic lab=CLK} |
| C {digital_prims/dac_bridge.sym} 700 810 0 0 {name=x5} |
| C {digital_prims/dac_bridge.sym} 700 830 0 0 {name=x9} |
| C {digital_prims/dac_bridge.sym} 700 850 0 0 {name=x11} |
| C {digital_prims/dac_bridge.sym} 700 870 0 0 {name=x12} |
| C {digital_prims/dac_bridge.sym} 700 890 0 0 {name=x13} |
| C {digital_prims/dac_bridge.sym} 700 910 0 0 {name=x14} |
| C {digital_prims/dac_bridge.sym} 700 930 0 0 {name=x15} |
| C {digital_prims/dac_bridge.sym} 700 950 0 0 {name=x16} |
| C {devices/lab_pin.sym} 420 40 0 0 {name=l20 sig_type=std_logic lab=GRAY_IN[7:0]} |
| C {devices/lab_pin.sym} 420 20 0 0 {name=l21 lab=RAMP} |
| C {devices/lab_pin.sym} 420 -120 0 0 {name=l22 sig_type=std_logic lab=row_sel} |
| C {devices/vsource.sym} 840 500 0 0 {name=V7 value="PULSE(0 1.8 \{read_start\} 0.01u 0.01u \{t_read\} \{pixel_rate\})"} |
| C {devices/gnd.sym} 840 530 0 0 {name=l24 lab=GND} |
| C {devices/lab_pin.sym} 840 450 2 0 {name=l33 sig_type=std_logic lab=READ} |
| C {devices/spice_probe.sym} 840 460 3 0 {name=p20 attrs=""} |
| C {devices/lab_pin.sym} 420 -40 0 0 {name=l25 sig_type=std_logic lab=READ} |
| C {devices/netlist_options.sym} -460 990 0 0 { |
| bus_replacement_char="xx" |
| |
| } |
| C {devices/spice_probe.sym} 760 -160 0 0 {name=p2 attrs=""} |
| C {devices/spice_probe.sym} 760 -140 0 0 {name=p4 attrs=""} |
| C {devices/lab_pin.sym} 790 -140 2 0 {name=l26 sig_type=std_logic lab=PIX_OUT} |
| C {devices/lab_pin.sym} 790 -160 2 0 {name=l27 sig_type=std_logic lab=AMP_OUT} |
| C {devices/lab_pin.sym} 790 -120 2 0 {name=l28 sig_type=std_logic lab=OUT[7:0]} |
| C {devices/gnd.sym} 930 20 3 0 {name=l121 lab=GND} |
| C {devices/lab_pin.sym} 910 140 3 0 {name=l122 sig_type=std_logic lab=COL_SEL0} |
| C {sky130_fd_pr/nfet_01v8_lvt.sym} 910 120 3 0 {name=M8 |
| L=0.15 |
| W=8 |
| 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_01v8_lvt |
| spiceprefix=X |
| } |
| C {devices/lab_pin.sym} 1000 100 2 0 {name=l53 sig_type=std_logic lab=ARRAY_OUT |
| } |
| C {devices/isource.sym} 980 160 0 0 {name=I9 value=1u} |
| C {devices/gnd.sym} 980 190 0 0 {name=l54 lab=GND} |
| C {devices/lab_pin.sym} 1060 210 1 0 {name=l162 sig_type=std_logic lab=COL_SEL0} |
| C {devices/vsource.sym} 1060 240 0 0 {name=Vcol1 value="1.8" pulse(0.0 1.8 2u 0.1u 0.1u 1u 2u)"} |
| C {devices/gnd.sym} 1060 270 0 0 {name=l163 lab=GND} |
| C {devices/lab_pin.sym} 860 100 0 0 {name=l29 sig_type=std_logic lab=PIX_OUT} |
| C {devices/opin.sym} 1150 640 0 0 {name=p6 lab=COL0[7:0]} |
| C {devices/lab_pin.sym} 810 660 0 0 {name=l34 sig_type=std_logic lab=SA_VREF} |
| C {devices/lab_pin.sym} 810 640 0 0 {name=l39 sig_type=std_logic lab=OUT[7:0]} |
| C {devices/lab_pin.sym} 810 680 0 0 {name=l41 sig_type=std_logic lab=SA_IREF_OUT} |
| C {post_layout/pixel_layout.sym} 590 -20 0 0 {name=x1} |
| C {post_layout/bias_layout.sym} 280 480 0 0 {name=x3} |
| C {post_layout/8bit_SA_conv_layout.sym} 980 660 0 0 {name=x2} |
