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+ 3.475000e+04u 0.000000e+00 
+ 3.483654e+04u 0.000000e+00 
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+ 4.002885e+04u 0.000000e+00 
+ 4.011538e+04u 0.000000e+00 
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+ 4.072115e+04u 0.000000e+00 
+ 4.080769e+04u 0.000000e+00 
+ 4.089423e+04u 0.000000e+00 
+ 4.098077e+04u 0.000000e+00 
+ 4.106731e+04u 0.000000e+00 
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+ 4.193269e+04u 0.000000e+00 
+ 4.201923e+04u 0.000000e+00 
+ 4.210577e+04u 0.000000e+00 
+ 4.219231e+04u 0.000000e+00 
+ 4.227885e+04u 0.000000e+00 
+ 4.236538e+04u 0.000000e+00 
+ 4.245192e+04u 0.000000e+00 
+ 4.253846e+04u 0.000000e+00 
+ 4.262500e+04u 0.000000e+00 
+ 4.271154e+04u 0.000000e+00 
+ 4.279808e+04u 0.000000e+00 
+ 4.288462e+04u 0.000000e+00 
+ 4.297115e+04u 0.000000e+00 
+ 4.305769e+04u 0.000000e+00 
+ 4.314423e+04u 0.000000e+00 
+ 4.323077e+04u 0.000000e+00 
+ 4.331731e+04u 0.000000e+00 
+ 4.340385e+04u 0.000000e+00 
+ 4.349038e+04u 0.000000e+00 
+ 4.357692e+04u 0.000000e+00 
+ 4.366346e+04u 0.000000e+00 
+ 4.375000e+04u 0.000000e+00 
+ 4.383654e+04u 0.000000e+00 
+ 4.392308e+04u 0.000000e+00 
+ 4.400962e+04u 0.000000e+00 
+ 4.409615e+04u 0.000000e+00 
+ 4.418269e+04u 0.000000e+00 
+ 4.426923e+04u 0.000000e+00 
+ 4.435577e+04u 0.000000e+00 )"
}
C {devices/isource.sym} -960 -720 0 0 {name=I2 value="DC=0 PULSE(0 300p 40u 0.01u 0.01u 10u)"}
C {devices/lab_pin.sym} -960 -650 0 0 {name=l22 sig_type=std_logic lab=itest}
C {devices/spice_probe.sym} -390 -460 3 0 {name=p18 attrs=""}
C {devices/spice_probe.sym} -460 -460 1 1 {name=p19 attrs=""}
C {devices/vsource.sym} 40 -570 0 0 {name=V4 value="PULSE(0 1.8 \{t_start\} 0.01u 0.01u \{per/2\} \{per\})"}
C {devices/gnd.sym} 40 -540 0 0 {name=l23 lab=GND}
C {devices/vsource.sym} -50 -630 0 0 {name=V3 value="PULSE(2 0 \{read_start\} 0.01us 0.01us \{pixel_rate-t_ramp\} \{pixel_rate\})"}
C {devices/gnd.sym} -50 -600 0 0 {name=l2 lab=GND}
C {devices/lab_pin.sym} 360 -620 2 0 {name=l42 sig_type=std_logic lab=CLK}
C {devices/spice_probe.sym} 230 -620 3 0 {name=p22 attrs=""}
C {devices/vsource.sym} -1030 240 0 0 {name=V7 value="PULSE(0 1.8 \{read_start\} 0.01u 0.01u \{t_read\} \{pixel_rate\})"}
C {devices/gnd.sym} -1030 270 0 0 {name=l21 lab=GND}
C {devices/lab_pin.sym} -1030 190 2 0 {name=l33 sig_type=std_logic lab=READ}
C {devices/spice_probe.sym} -1030 200 3 0 {name=p20 attrs=""}
C {devices/code_shown.sym} -1350 670 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/code.sym} -800 280 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 sim_dpspixel_tb.raw
.endc
"}
C {devices/code.sym} -790 450 0 0 {name=TT_MODELS1
only_toplevel=true
format="tcleval( @value )"
value="
** opencircuitdesign pdks install
.lib $::SKYWATER_MODELS/sky130.lib.spice tt

"
spice_ignore=false}
C {devices/netlist_options.sym} -980 740 0 0 {
bus_replacement_char="xx"

}
C {devices/opin.sym} -460 640 0 0 {name=p6 lab=COL0[7:0]}
C {devices/lab_pin.sym} -800 660 0 0 {name=l3 sig_type=std_logic lab=SA_VREF}
C {devices/lab_pin.sym} -800 640 0 0 {name=l5 sig_type=std_logic lab=OUT[7:0]}
C {8bit_SA_converter.sym} -630 660 0 0 {name=x2}
C {digital_prims/adc_bridge.sym} -430 390 0 0 {name=x6}
C {devices/lab_pin.sym} -500 350 0 0 {name=p24 lab=VCC}
C {digital_prims/adc_bridge.sym} -430 350 0 0 {name=x8}
C {digital_prims/adc_bridge.sym} -430 370 0 0 {name=x7}
C {devices/lab_pin.sym} 160 490 2 0 {name=l70 sig_type=std_logic lab=GRAY_IN[0]}
C {adc/8bit_graycounter.sym} -170 420 0 0 {name=x10}
C {devices/gnd.sym} -510 390 1 0 {name=l71 lab=GND}
C {devices/lab_pin.sym} 160 470 2 0 {name=l72 sig_type=std_logic lab=GRAY_IN[1]}
C {devices/lab_pin.sym} 160 450 2 0 {name=l73 sig_type=std_logic lab=GRAY_IN[2]}
C {devices/lab_pin.sym} 160 430 2 0 {name=l74 sig_type=std_logic lab=GRAY_IN[3]}
C {devices/lab_pin.sym} 160 410 2 0 {name=l75 sig_type=std_logic lab=GRAY_IN[4]}
C {devices/lab_pin.sym} 160 390 2 0 {name=l76 sig_type=std_logic lab=GRAY_IN[5]}
C {devices/lab_pin.sym} 160 370 2 0 {name=l77 sig_type=std_logic lab=GRAY_IN[6]}
C {devices/lab_pin.sym} 160 350 2 0 {name=l78 sig_type=std_logic lab=GRAY_IN[7]}
C {devices/lab_pin.sym} -500 370 0 0 {name=l79 sig_type=std_logic lab=CLK}
C {digital_prims/dac_bridge.sym} 150 350 0 0 {name=x5}
C {digital_prims/dac_bridge.sym} 150 370 0 0 {name=x9}
C {digital_prims/dac_bridge.sym} 150 390 0 0 {name=x11}
C {digital_prims/dac_bridge.sym} 150 410 0 0 {name=x12}
C {digital_prims/dac_bridge.sym} 150 430 0 0 {name=x13}
C {digital_prims/dac_bridge.sym} 150 450 0 0 {name=x14}
C {digital_prims/dac_bridge.sym} 150 470 0 0 {name=x15}
C {digital_prims/dac_bridge.sym} 150 490 0 0 {name=x16}
C {devices/lab_pin.sym} -110 -120 2 1 {name=l8 sig_type=std_logic lab=CSA}
C {devices/lab_pin.sym} -110 -100 2 1 {name=l11 sig_type=std_logic lab=PLUS}
C {devices/lab_pin.sym} -100 0 2 1 {name=l14 sig_type=std_logic lab=vbias}
C {devices/lab_pin.sym} -100 -40 2 1 {name=l26 sig_type=std_logic lab=NB1}
C {devices/lab_pin.sym} -100 -20 0 0 {name=l20 sig_type=std_logic lab=NB2}
C {devices/lab_pin.sym} -110 -80 0 0 {name=l68 sig_type=std_logic lab=itest}
C {devices/lab_pin.sym} -110 20 0 0 {name=p2 lab=VCC}
C {devices/lab_pin.sym} -110 40 0 0 {name=p4 lab=RAMP}
C {devices/lab_pin.sym} -110 60 0 0 {name=p5 lab=BIAS1_OUT}
C {devices/lab_pin.sym} -110 80 0 0 {name=p7 lab=BIAS2_OUT}
C {devices/lab_pin.sym} -110 100 0 0 {name=p8 lab=READ}
C {devices/lab_pin.sym} -110 120 0 0 {name=p9 lab=GRAY_IN[7:0]}
C {devices/lab_pin.sym} 260 -100 2 0 {name=l24 sig_type=std_logic lab=OUT[7:0]}
C {devices/lab_pin.sym} 260 -140 2 0 {name=l29 sig_type=std_logic lab=ANALOG}
C {devices/spice_probe.sym} 230 -140 0 0 {name=p10 attrs=""}
C {devices/isource.sym} -690 -120 0 0 {name=I6 value=200n}
C {devices/lab_pin.sym} -690 -30 0 1 {name=l30 sig_type=std_logic lab=GND}
C {devices/lab_pin.sym} -760 -170 0 0 {name=l32 sig_type=std_logic lab=SF_IB}
C {devices/lab_pin.sym} -110 -140 0 0 {name=l34 sig_type=std_logic lab=SF_IB}
C {devices/vsource.sym} -490 10 0 0 {name=V5 net_name=true value="dc=2" PULSE(0 1.8 20m 20u 20u 50m)"}
C {devices/gnd.sym} -490 40 0 0 {name=l35 lab=GND}
C {devices/lab_pin.sym} -460 -50 2 0 {name=l38 sig_type=std_logic lab=row_sel}
C {devices/lab_pin.sym} -110 -60 0 0 {name=l39 sig_type=std_logic lab=row_sel}
C {devices/lab_pin.sym} 260 -120 2 0 {name=l12 sig_type=std_logic lab=AMP_OUT}
C {devices/spice_probe.sym} 240 -120 0 0 {name=p11 attrs=""}
C {devices/lab_pin.sym} -800 680 0 0 {name=l18 sig_type=std_logic lab=SA_IREF_OUT}
C {devices/isource.sym} -170 740 3 0 {name=I8 value=200n}
C {devices/lab_pin.sym} -210 740 3 0 {name=p13 lab=VCC}
C {devices/lab_pin.sym} 510 600 0 0 {name=l41 sig_type=std_logic lab=ANALOG}
C {devices/gnd.sym} 580 520 3 0 {name=l121 lab=GND}
C {devices/lab_pin.sym} 560 640 3 0 {name=l122 sig_type=std_logic lab=COL_SEL0}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 560 620 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} 650 600 2 0 {name=l53 sig_type=std_logic lab=ARRAY_OUT
}
C {devices/isource.sym} 630 660 0 0 {name=I9 value=1u}
C {devices/gnd.sym} 630 690 0 0 {name=l54 lab=GND}
C {devices/lab_pin.sym} 680 880 1 0 {name=l162 sig_type=std_logic lab=COL_SEL0}
C {devices/vsource.sym} 680 910 0 0 {name=Vcol1 value="1.8" pulse(0.0 1.8 2u 0.1u 0.1u 1u 2u)"}
C {devices/gnd.sym} 680 940 0 0 {name=l163 lab=GND}
C {bias.sym} 10 730 0 0 {name=x3}
C {devices/lab_pin.sym} 160 680 2 0 {name=l40 sig_type=std_logic lab=NB1}
C {devices/lab_pin.sym} 160 700 2 0 {name=l55 sig_type=std_logic lab=NB2}
C {devices/lab_pin.sym} 160 760 2 0 {name=l56 lab=BIAS2_OUT}
C {devices/lab_pin.sym} 160 740 2 0 {name=l57 lab=SF_IB}
C {devices/lab_pin.sym} 160 720 2 0 {name=l58 lab=BIAS1_OUT}
C {devices/lab_pin.sym} 160 780 2 0 {name=l59 lab=SA_IREF_OUT}
C {devices/vsource.sym} 110 980 0 0 {name=V6 value=1.8}
C {devices/gnd.sym} 110 1030 0 0 {name=V15 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"}
C {devices/gnd.sym} 110 1030 0 0 {name=V16 value="PULSE(0 1.8 20us 0.01us 0.01us 10us 50us)"}
C {devices/lab_pin.sym} 110 930 0 0 {name=l60 sig_type=std_logic lab=ADC_ON}
C {devices/lab_pin.sym} -140 680 0 0 {name=l61 sig_type=std_logic lab=ADC_ON}
C {sky130_fd_pr/nfet3_01v8_lvt.sym} 150 -640 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
}