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Parasytics extracted
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@rejunity
rejunity committed May 23, 2024
1 parent 4b51eef commit a6aae05
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1 change: 1 addition & 0 deletions .gitattributes
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*.raw filter=lfs diff=lfs merge=lfs -text
1 change: 1 addition & 0 deletions mag/.gitattributes
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*.raw filter=lfs diff=lfs merge=lfs -text
Binary file modified xschem/simulation/testbench_dac_16nfet.raw
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97 changes: 56 additions & 41 deletions xschem/simulation/testbench_dac_16nfet.spice
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@@ -1,7 +1,8 @@
** sch_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8193.git/xschem/testbench_dac_16nfet.sch
**.subckt testbench_dac_16nfet IN1 OUT IN2 IN3 IN0 IN5 IN6 IN7 IN4 IN9 IN10 IN11 IN8 IN13 IN14 IN12
** sch_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8913.git/xschem/testbench_dac_16nfet.sch
**.subckt testbench_dac_16nfet IN1 out IN2 IN3 IN0 IN5 IN6 IN7 IN4 IN9 IN10 IN11 IN8 IN13 IN14 IN12 IN1 out_parax IN2 IN3 IN0 IN5
*+ IN6 IN7 IN4 IN9 IN10 IN11 IN8 IN13 IN14 IN12
*.ipin IN1
*.opin OUT
*.opin out
*.ipin IN2
*.ipin IN3
*.ipin IN0
Expand All @@ -16,66 +17,76 @@
*.ipin IN13
*.ipin IN14
*.ipin IN12
x1 net4 IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 net1 vss dac_16nfet
*.ipin IN1
*.opin out_parax
*.ipin IN2
*.ipin IN3
*.ipin IN0
*.ipin IN5
*.ipin IN6
*.ipin IN7
*.ipin IN4
*.ipin IN9
*.ipin IN10
*.ipin IN11
*.ipin IN8
*.ipin IN13
*.ipin IN14
*.ipin IN12
x1 net3 IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 net1 vss dac_16nfet
V1 vss GND 0.0
V2 vdd GND 1.8
R1 OUT net1 100 m=1
Vmeas vdd net4 0
R1 out net1 100 m=1
Vmeas vdd net3 0
.save i(vmeas)
R4 OUT GND 32 m=1
R4 out GND 32 m=1
C1 net1 GND 5p m=1
XM1 net5 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 W=11 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)'
XM1 net4 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 W=11 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
VmeasLVT vdd net5 0
VmeasLVT vdd net4 0
.save i(vmeaslvt)
XM3 net6 vdd GND GND sky130_fd_pr__nfet_01v8 L=1 W=14 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)'
XM3 net5 vdd GND GND sky130_fd_pr__nfet_01v8 L=1 W=14 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
VmeasNORM vdd net6 0
VmeasNORM vdd net5 0
.save i(vmeasnorm)
XM2 net7 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=.15 W=3.5 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
XM2 net6 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=.15 W=3.5 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
VmeasLVT1 vdd net7 0
VmeasLVT1 vdd net6 0
.save i(vmeaslvt1)
XM4 net8 vdd GND GND sky130_fd_pr__nfet_01v8 L=.15 W=4 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)'
XM4 net7 vdd GND GND sky130_fd_pr__nfet_01v8 L=.15 W=4 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
VmeasNORM1 vdd net8 0
VmeasNORM1 vdd net7 0
.save i(vmeasnorm1)
XM5 net9 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=8 W=0.42 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
XM5 net8 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=8 W=0.42 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
VmeasLVTs vdd net9 0
VmeasLVTs vdd net8 0
.save i(vmeaslvts)
XM6 net10 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=0.2 W=0.42 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
XM6 net9 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=0.2 W=0.42 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
VmeasLVTm vdd net10 0
VmeasLVTm vdd net9 0
.save i(vmeaslvtm)
XM7 net11 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=0.2 W=4 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
XM7 net10 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=0.2 W=4 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
VmeasLVTb vdd net11 0
VmeasLVTb vdd net10 0
.save i(vmeaslvtb)
XM8 net12 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=12 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)'
XM8 net11 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=12 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
VmeasLVTs1 vdd net12 0
VmeasLVTs1 vdd net11 0
.save i(vmeaslvts1)
XM9 net13 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 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)'
XM9 net12 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 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
VmeasLVTm1 vdd net13 0
VmeasLVTm1 vdd net12 0
.save i(vmeaslvtm1)
XM10 net14 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 W=12 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
XM10 net13 vdd GND GND sky130_fd_pr__nfet_01v8_lvt L=1 W=12 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
VmeasLVTb1 vdd net14 0
VmeasLVTb1 vdd net13 0
.save i(vmeaslvtb1)
XM11 net15 vdd net2 GND sky130_fd_pr__nfet_01v8_lvt L=.25 W=12 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
VmeasMAX vdd net15 0
.save i(vmeasmax)
R2 GND net2 100 m=1
x2 net14 IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 net2 vss dac_16nfet_parax
R2 out_parax net2 100 m=1
Vmeas_parax vdd net14 0
.save i(vmeas_parax)
R3 out_parax GND 32 m=1
C2 net2 GND 5p m=1
XM12 net16 vdd net3 GND sky130_fd_pr__nfet_01v8_lvt L=1 W=12 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
VmeasMAX1 vdd net16 0
.save i(vmeasmax1)
R3 GND net3 100 m=1
C3 net3 GND 5p m=1
**** begin user architecture code

** opencircuitdesign pdks install
Expand Down Expand Up @@ -105,7 +116,7 @@ vin14 IN14 0 pulse 0 1.8 1500n 1n 1n 95n 2000n
* .savecurrents
.control
save all
tran 100p 4000n
tran 500p 4000n
write testbench_dac_16nfet.raw
.endc

Expand All @@ -115,8 +126,8 @@ write testbench_dac_16nfet.raw
**.ends

* expanding symbol: dac_16nfet.sym # of pins=18
** sym_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8193.git/xschem/dac_16nfet.sym
** sch_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8193.git/xschem/dac_16nfet.sch
** sym_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8913.git/xschem/dac_16nfet.sym
** sch_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8913.git/xschem/dac_16nfet.sch
.subckt dac_16nfet VDD AT0 AT1 AT2 AT3 AT4 AT5 AT6 AT7 AT8 AT9 AT10 AT11 AT12 AT13 AT14 OUT VSS
*.ipin AT12
*.ipin AT13
Expand Down Expand Up @@ -168,5 +179,9 @@ XM11 VDD AT8 OUT VSS sky130_fd_pr__nfet_01v8_lvt L=1.5 W=1 nf=1 ad='int((nf+1)/2
+ 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


* expanding symbol: dac_16nfet_parax.sym # of pins=18
** sym_path: /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8913.git/xschem/dac_16nfet.sym
.include /Users/rej/Dev/TinyTapeout/tt07-analog-dac-ay8913.git/mag/dac_16nfet.sim.spice
.GLOBAL GND
.end
136 changes: 125 additions & 11 deletions xschem/testbench_dac_16nfet.sch
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Original file line number Diff line number Diff line change
Expand Up @@ -19,14 +19,14 @@ divx=5
subdivx=1
xlabmag=1.0
ylabmag=1.0
node="out"
color=4
node="out out_parax"
color="4 7" 5
dataset=-1
unitx=1
logx=0
logy=0
}
B 2 450 1065 930 1315 {flags=graph
B 2 1270 1145 1750 1395 {flags=graph
y1=0
y2=1.8
ypos1=0
Expand All @@ -52,7 +52,7 @@ IN1
IN2
IN3"
divx=5}
B 2 1720 250 2520 650 {flags=graph
B 2 2350 720 2700 990 {flags=graph
y1=-4e-05
y2=0.0022
ypos1=0
Expand All @@ -74,6 +74,29 @@ logx=0
logy=0
color="8 9 7 8 10 10"
node="i(vmeas) i(vmeaslvt) i(vmeasnorm) i(vmeaslvt1) i(vmeasnorm1)"}
B 2 1730 250 2530 650 {flags=graph
y1=-5.1e-05
y2=0.0017
ypos1=0
ypos2=2
divy=5
subdivy=1
unity=1
x1=0
x2=4e-06
divx=5
subdivx=1
xlabmag=1.0
ylabmag=1.0


dataset=-1
unitx=1
logx=0
logy=0
color="6 8"
node="i(Vmeas)
i(Vmeas_parax)"}
N 700 450 730 450 {
lab=vss}
N 810 450 840 450 {
Expand Down Expand Up @@ -104,8 +127,8 @@ N 510 690 600 690 {
lab=IN0}
N 900 710 950 710 {
lab=#net1}
N 1010 710 1200 710 {
lab=OUT}
N 1010 710 1110 710 {
lab=out}
N 930 800 930 830 {
lab=GND}
N 1080 800 1080 820 {
Expand All @@ -115,7 +138,7 @@ lab=GND}
N 930 710 930 740 {
lab=#net1}
N 1080 710 1080 740 {
lab=OUT}
lab=out}
N 550 710 600 710 {
lab=IN1}
N 550 770 600 770 {
Expand Down Expand Up @@ -228,6 +251,52 @@ N 2390 1380 2480 1380 {
lab=GND}
N 2390 1370 2390 1380 {
lab=GND}
N 550 1130 600 1130 {
lab=IN2}
N 550 1150 600 1150 {
lab=IN3}
N 550 1190 600 1190 {
lab=IN5}
N 550 1210 600 1210 {
lab=IN6}
N 550 1230 600 1230 {
lab=IN7}
N 550 1270 600 1270 {
lab=IN9}
N 550 1290 600 1290 {
lab=IN10}
N 550 1310 600 1310 {
lab=IN11}
N 550 1330 600 1330 {
lab=IN12}
N 510 1090 600 1090 {
lab=IN0}
N 900 1110 950 1110 {
lab=#net2}
N 1010 1110 1110 1110 {
lab=out_parax}
N 930 1200 930 1230 {
lab=GND}
N 1080 1200 1080 1220 {
lab=GND}
N 930 1220 1080 1220 {
lab=GND}
N 930 1110 930 1140 {
lab=#net2}
N 1080 1110 1080 1140 {
lab=out_parax}
N 550 1110 600 1110 {
lab=IN1}
N 550 1170 600 1170 {
lab=IN4}
N 550 1350 600 1350 {
lab=IN13}
N 550 1370 600 1370 {
lab=IN14}
N 510 1250 600 1250 {
lab=IN8}
N 840 1040 840 1060 {
lab=vss}
C {devices/code.sym} 490 450 0 0 {name=TT_MODELS
only_toplevel=true
format="tcleval( @value )"
Expand All @@ -237,7 +306,7 @@ value="

"
spice_ignore=false}
C {devices/launcher.sym} 1245 768.75 0 0 {name=h17
C {devices/launcher.sym} 1485 698.75 0 0 {name=h17
descr="Load waves"
tclcommand="
xschem raw_read $netlist_dir/[file tail [file rootname [xschem get current_name]]].raw tran
Expand All @@ -254,16 +323,16 @@ C {devices/lab_pin.sym} 810 450 0 0 {name=p2 sig_type=std_logic lab=vdd
}
C {devices/lab_pin.sym} 790 600 0 0 {name=p3 sig_type=std_logic lab=vdd
}
C {devices/lab_pin.sym} 840 640 0 0 {name=p4 sig_type=std_logic lab=vss
C {devices/lab_pin.sym} 840 640 0 1 {name=p4 sig_type=std_logic lab=vss
}
C {devices/ipin.sym} 550 710 0 0 {name=p19 lab=IN1}
C {devices/opin.sym} 1200 710 0 0 {name=p20 lab=OUT}
C {devices/opin.sym} 1110 710 0 0 {name=p20 lab=out}
C {devices/res.sym} 980 710 1 0 {name=R1
value=100
footprint=1206
device=resistor
m=1}
C {devices/simulator_commands_shown.sym} 945 910 0 0 {name=COMMANDS
C {devices/simulator_commands_shown.sym} 1285 730 0 0 {name=COMMANDS
simulator=ngspice
only_toplevel=false
value="
Expand Down Expand Up @@ -521,3 +590,48 @@ C {devices/lab_pin.sym} 2390 1250 0 0 {name=p39 sig_type=std_logic lab=vdd
C {devices/lab_pin.sym} 2310 1340 0 0 {name=p40 sig_type=std_logic lab=vdd
}
C {devices/gnd.sym} 2390 1380 0 0 {name=l13 lab=GND}
C {dac_16nfet.sym} 750 1230 0 0 {name=x2
schematic=dac_16nfet_parax.sim
spice_sym_def="tcleval(.include [file normalize ../mag/dac_16nfet.sim.spice])"
tclcommand="textwindow [file normalize ../mag/dac_16nfet.sim.spice]"
}
C {devices/lab_pin.sym} 790 1000 0 0 {name=p41 sig_type=std_logic lab=vdd
}
C {devices/lab_pin.sym} 840 1040 0 1 {name=p42 sig_type=std_logic lab=vss
}
C {devices/ipin.sym} 550 1110 0 0 {name=p43 lab=IN1}
C {devices/opin.sym} 1110 1110 0 0 {name=p44 lab=out_parax}
C {devices/res.sym} 980 1110 1 0 {name=R2
value=100
footprint=1206
device=resistor
m=1}
C {devices/ipin.sym} 550 1130 0 0 {name=p45 lab=IN2}
C {devices/ipin.sym} 550 1150 0 0 {name=p46 lab=IN3}
C {devices/gnd.sym} 930 1230 0 0 {name=l14 lab=GND}
C {devices/ipin.sym} 510 1090 0 0 {name=p47 lab=IN0}
C {devices/ammeter.sym} 790 1030 0 0 {name=Vmeas_parax savecurrent=true}
C {devices/ipin.sym} 550 1190 0 0 {name=p48 lab=IN5
}
C {devices/ipin.sym} 550 1210 0 0 {name=p49 lab=IN6}
C {devices/ipin.sym} 550 1230 0 0 {name=p50 lab=IN7}
C {devices/ipin.sym} 550 1170 0 0 {name=p51 lab=IN4}
C {devices/ipin.sym} 550 1270 0 0 {name=p52 lab=IN9
}
C {devices/ipin.sym} 550 1290 0 0 {name=p53 lab=IN10}
C {devices/ipin.sym} 550 1310 0 0 {name=p54 lab=IN11}
C {devices/ipin.sym} 510 1250 0 0 {name=p55 lab=IN8}
C {devices/ipin.sym} 550 1350 0 0 {name=p56 lab=IN13
}
C {devices/ipin.sym} 550 1370 0 0 {name=p57 lab=IN14}
C {devices/ipin.sym} 550 1330 0 0 {name=p58 lab=IN12}
C {devices/res.sym} 1080 1170 0 0 {name=R3
value=32
footprint=1206
device=resistor
m=1}
C {devices/capa.sym} 930 1170 0 0 {name=C2
m=1
value=5p
footprint=1206
device="ceramic capacitor"}

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