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.

}
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divx=8
subdivx=4


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T {Comparator - design goals} 3260 -920 0 0 1 1 {}
T {Comparator must detect a differential signal as low as +/-2mV} 3055 -830 0 0 0.6 0.6 {}
T {Full rail (0 - VCC) input common mode allowed} 3055 -780 0 0 0.6 0.6 {}
T {1.8V VCC +/- 10%} 3055 -730 0 0 0.6 0.6 {}
T {-40C to 125C temperature} 3055 -680 0 0 0.6 0.6 {}
T {Simulate with device mismatch parameters} 3055 -630 0 0 0.6 0.6 {}
T {Sensing time: 40ns calibration and 40ns sensing.} 3055 -530 0 0 0.6 0.6 {}
T {CAL} 3280 -370 0 1 0.4 0.4 {}
T {EN} 3280 -320 0 1 0.4 0.4 {}
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T {SENSING
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T {OFF} 3800 -420 0 1 0.4 0.4 {}
T {OFF} 3350 -420 0 1 0.4 0.4 {}
T {V+ - V-} 3280 -250 0 1 0.4 0.4 {}
T {SAOUT} 3280 -190 0 1 0.4 0.4 {}
T {2mV} 3470 -265 0 0 0.4 0.4 {}
T {VCC} 3630 -215 0 0 0.4 0.4 {}
T {Icc < 100uA} 3055 -480 0 0 0.6 0.6 {}
T {Self calibration: no circuit trimming} 3055 -580 0 0 0.6 0.6 {}
T {EN} 3110 -1230 0 1 0.4 0.4 {}
T {0} 3120 -990 0 0 0.4 0.4 {hcenter=true}
T {50} 3320 -990 0 0 0.4 0.4 {hcenter=true}
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T {150} 3720 -990 0 0 0.4 0.4 {hcenter=true}
T {200} 3920 -990 0 0 0.4 0.4 {hcenter=true}
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T {SENSING
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T {CALIBRATION
  40ns} 3800 -1330 0 1 0.4 0.4 {}
T {SENSING
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N 430 -200 530 -200 {lab=VSS}
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N 1020 -370 1020 -360 { lab=#net1}
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lab=GN2}
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lab=GN2}
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lab=GP2}
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lab=GP2}
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lab=GP1}
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lab=GP2}
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lab=VCC}
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lab=OUTDIFF}
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lab=OUTDIFF}
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lab=OUTDIFF}
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lab=GP1}
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lab=GN1}
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lab=GP1}
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lab=VCC}
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lab=GN1}
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lab=GN1}
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lab=VSS}
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lab=VCC}
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lab=PLUS}
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lab=MINUS}
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lab=CAL}
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lab=EN}
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lab=PLUS}
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lab=PLUS}
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lab=MINUS}
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lab=MINUS}
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lab=GP2}
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lab=VCC}
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lab=VSS}
C {devices/launcher.sym} 1345 -1435 0 0 {name=h1 
descr="Select arrow and 
Ctrl-Left-Click to load/unload waveforms
after running simulation" 
tclcommand="
xschem raw_read $netlist_dir/test_comparator.raw tran
"
}
C {devices/launcher.sym} 1980 -1440 0 0 {name=h4
descr="View Raw file" 
tclcommand="textwindow $netlist_dir/[file tail [file rootname [ xschem get schname 0 ] ] ].raw"
}
C {devices/title.sym} 160 -30 0 0 {name=l1 author="Stefan Schippers"}
C {devices/ipin.sym} 110 -490 0 0 { name=p92 lab=CAL }
C {devices/ipin.sym} 110 -520 0 0 { name=p93 lab=PLUS }
C {devices/ipin.sym} 110 -550 0 0 { name=p94 lab=MINUS }
C {devices/ipin.sym} 110 -590 0 0 { name=p95 lab=EN }
C {devices/ipin.sym} 110 -420 0 0 { name=p96 lab=VSS }
C {devices/ipin.sym} 110 -450 0 0 { name=p97 lab=VCC }
C {devices/opin.sym} 150 -540 0 0 { name=p116 lab=SAOUT }
C {devices/lab_pin.sym} 190 -330 0 1 {name=p126 lab=CALB}
C {devices/lab_pin.sym} 110 -330 0 0 {name=l50 lab=CAL}
C {devices/lab_pin.sym} 370 -330 0 0 {name=p15 lab=CALB}
C {devices/lab_pin.sym} 450 -330 0 1 {name=l4 lab=CALBB}
C {devices/lab_pin.sym} 530 -200 0 1 {name=p283 lab=VSS}
C {devices/lab_pin.sym} 390 -200 0 0 {name=l56 lab=EN}
C {devices/lab_pin.sym} 430 -160 0 0 {name=p284 lab=VSS}
C {devices/lab_pin.sym} 430 -260 0 0 {name=p199 lab=VSSI}
C {devices/parax_cap.sym} 430 -130 0 0 {name=C38  value=2p}
C {devices/lab_pin.sym} 1460 -1070 0 1 {name=l19 sig_type=std_logic lab=CALB}
C {devices/lab_pin.sym} 1460 -1010 0 1 {name=l44 sig_type=std_logic lab=CALBB}
C {devices/lab_pin.sym} 1750 -870 0 1 {name=p179 lab=VSS}
C {devices/lab_pin.sym} 1750 -1120 0 1 {name=p180 lab=VCC}
C {devices/lab_pin.sym} 1720 -1200 0 0 {name=p181 lab=VCC}
C {devices/lab_pin.sym} 1690 -730 0 0 {name=p182 lab=VSSI}
C {devices/lab_pin.sym} 1950 -1070 0 1 {name=l45 sig_type=std_logic lab=CALB}
C {devices/lab_pin.sym} 1950 -1010 0 1 {name=l46 sig_type=std_logic lab=CALBB}
C {devices/lab_pin.sym} 2240 -870 0 1 {name=p183 lab=VSS}
C {devices/lab_pin.sym} 2240 -1120 0 1 {name=p184 lab=VCC}
C {devices/lab_pin.sym} 2210 -1200 0 0 {name=p185 lab=VCC}
C {devices/lab_pin.sym} 2180 -730 0 0 {name=p186 lab=VSSI}
C {devices/lab_pin.sym} 2070 -1100 0 0 {name=l47 lab=ZERO1}
C {devices/lab_pin.sym} 1580 -1100 0 0 {name=l48 lab=ZERO0}
C {devices/lab_pin.sym} 1230 -690 0 1 {name=p189 lab=VCC}
C {devices/lab_pin.sym} 820 -690 0 0 {name=p190 lab=VCC}
C {devices/lab_pin.sym} 1130 -400 0 1 {name=p191 lab=VSS}
C {devices/lab_pin.sym} 1020 -780 0 0 {name=p192 lab=VCC}
C {devices/lab_pin.sym} 990 -260 0 0 {name=p193 lab=VSSI}
C {devices/lab_pin.sym} 2100 -290 0 1 {name=p194 lab=VSS}
C {devices/lab_pin.sym} 2100 -580 0 1 {name=p195 lab=VCC}
C {devices/lab_pin.sym} 2040 -660 0 0 {name=p196 lab=VCC}
C {devices/lab_pin.sym} 2040 -150 0 0 {name=p197 lab=VSSI}
C {devices/lab_pin.sym} 2310 -530 0 0 {name=l49 lab=SAOUTF}
C {devices/parax_cap.sym} 2140 -480 0 0 {name=C3  value=15f}
C {devices/lab_pin.sym} 1820 -530 0 0 {name=l51 lab=OUTDIFF}
C {devices/lab_pin.sym} 1020 -460 0 0 {name=l52 lab=SN}
C {devices/lab_pin.sym} 960 -650 0 1 {name=l53 lab=GP1}
C {devices/parax_cap.sym} 940 -470 0 0 {name=C30  value=2f}
C {devices/parax_cap.sym} 1780 -480 0 0 {name=C1  value=15f}
C {devices/lab_pin.sym} 900 -400 0 0 {name=p198 lab=VCC}
C {devices/lab_pin.sym} 820 -530 0 0 {name=l54 lab=PLUS}
C {devices/lab_pin.sym} 1220 -530 0 1 {name=l55 lab=MINUS}
C {devices/ammeter.sym} 1020 -330 0 0 {name=vndiff
current=5.5476e-07}
C {devices/ammeter.sym} 2070 -220 0 0 {name=v3
current=6.1104e-06}
C {devices/ammeter.sym} 2210 -800 0 0 {name=v4
current=2.4124e-06}
C {devices/ammeter.sym} 1720 -800 0 0 {name=v6
current=4.2035e-06}
C {devices/lab_pin.sym} 2590 -290 0 1 {name=p9 lab=VSS}
C {devices/lab_pin.sym} 2590 -580 0 1 {name=p10 lab=VCC}
C {devices/lab_pin.sym} 2530 -660 0 0 {name=p11 lab=VCC}
C {devices/lab_pin.sym} 2530 -150 0 0 {name=p12 lab=VSSI}
C {devices/parax_cap.sym} 2630 -480 0 0 {name=C13  value=15f}
C {devices/ammeter.sym} 2560 -220 0 0 {name=v1
current=3.7104e-06}
C {devices/lab_pin.sym} 2890 -490 0 1 {name=l3 lab=SAOUT}
C {devices/lab_pin.sym} 2440 -1070 0 1 {name=l5 sig_type=std_logic lab=CALB}
C {devices/lab_pin.sym} 2440 -1010 0 1 {name=l6 sig_type=std_logic lab=CALBB}
C {devices/lab_pin.sym} 2730 -870 0 1 {name=p13 lab=VSS}
C {devices/lab_pin.sym} 2730 -1120 0 1 {name=p14 lab=VCC}
C {devices/lab_pin.sym} 2700 -1200 0 0 {name=p16 lab=VCC}
C {devices/lab_pin.sym} 2670 -730 0 0 {name=p17 lab=VSSI}
C {devices/lab_pin.sym} 2560 -1100 0 0 {name=l8 lab=ZERO2}
C {devices/ammeter.sym} 2700 -800 0 0 {name=v5
current=4.6610e-06}
C {devices/lab_pin.sym} 2810 -590 0 1 {name=p18 lab=VCC}
C {devices/lab_pin.sym} 2750 -670 0 0 {name=p19 lab=VCC}
C {devices/lab_pin.sym} 2740 -590 0 0 {name=l2 lab=EN}
C {devices/lab_wire.sym} 1000 -1050 0 1 {name=l21 lab=VCC}
C {devices/lab_pin.sym} 820 -920 0 0 {name=p22 lab=VSS}
C {devices/lab_pin.sym} 1230 -920 0 1 {name=p23 lab=VSS}
C {devices/lab_pin.sym} 990 -830 0 0 {name=p24 lab=VSSI}
C {devices/lab_pin.sym} 1120 -1190 0 1 {name=p25 lab=VCC}
C {devices/lab_pin.sym} 1030 -1310 0 0 {name=p26 lab=VCC}
C {devices/lab_pin.sym} 920 -1190 0 0 {name=l7 lab=VSS}
C {devices/lab_pin.sym} 960 -960 0 1 {name=l9 lab=GN1}
C {devices/lab_pin.sym} 1220 -1050 0 1 {name=l10 lab=MINUS}
C {devices/lab_pin.sym} 820 -1050 0 0 {name=l11 lab=PLUS}
C {devices/parax_cap.sym} 930 -980 3 0 {name=C7  value=4f}
C {devices/lab_pin.sym} 1030 -1140 0 0 {name=l13 lab=SP}
C {sky130_tests/not.sym} 410 -330 0 0 {name=x4 m=1 
+ W_N=1 L_N=0.15 W_P=2 L_P=0.15 
+ VCCPIN=VCC VSSPIN=VSS}
C {sky130_tests/not.sym} 150 -330 0 0 {name=x5 m=1 
+ W_N=1 L_N=0.15 W_P=2 L_P=0.15 
+ VCCPIN=VCC VSSPIN=VSS}
C {sky130_fd_pr/pfet_01v8.sym} 1010 -1190 0 0 {name=M4
L=2
W=1.2
ad="'W * 0.29'" pd="'W + 2 * 0.29'"
as="'W * 0.29'" ps="'W + 2 * 0.29'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 1100 -690 0 0 {name=M5
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 940 -690 0 1 {name=M6
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2050 -580 0 0 {name=M8
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2540 -580 0 0 {name=M9
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8.sym} 2760 -590 0 0 {name=M11
L=0.15
W=1
ad="'W * 0.29'" pd="'W + 2 * 0.29'"
as="'W * 0.29'" ps="'W + 2 * 0.29'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8.sym} 410 -200 0 0 {name=M1
L=0.15
W=8
ad="'W * 0.29'" pd="'W + 2 * 0.29'"
as="'W * 0.29'" ps="'W + 2 * 0.29'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=2
model=nfet_01v8
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2540 -290 0 0 {name=M15
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2050 -290 0 0 {name=M10
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 1000 -400 0 0 {name=M17
L=7
W=0.7
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 1100 -920 0 0 {name=M18
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 940 -920 0 1 {name=M19
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 1140 -1050 0 1 {name=M20
L=2
W=6
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 900 -1050 0 0 {name=M21
L=2
W=6
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8.sym} 1140 -530 0 1 {name=M23
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8.sym} 900 -530 0 0 {name=M16
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8
spiceprefix=X
 }
C {sky130_tests/passgate.sym} 1460 -1040 0 1 {name=x1 m=1
W_N=0.42 L_N=0.15
W_P=0.7 L_P=0.15
VCCBPIN=VCC VSSBPIN=VSS}
C {sky130_tests/passgate.sym} 1950 -1040 0 1 {name=x2 m=1
W_N=0.42 L_N=0.15
W_P=0.7 L_P=0.15
VCCBPIN=VCC VSSBPIN=VSS}
C {sky130_tests/passgate.sym} 2440 -1040 0 1 {name=x3 m=1
W_N=0.42 L_N=0.15
W_P=0.7 L_P=0.15
VCCBPIN=VCC VSSBPIN=VSS}
C {devices/lab_pin.sym} 1550 -790 0 0 {name=p5 lab=VSS}
C {devices/lab_pin.sym} 2040 -790 0 0 {name=p6 lab=VSS}
C {devices/lab_pin.sym} 2530 -790 0 0 {name=p7 lab=VSS}
C {devices/lab_pin.sym} 1080 -960 0 0 {name=l14 lab=GN2}
C {devices/parax_cap.sym} 1110 -980 1 1 {name=C8  value=4f}
C {devices/parax_cap.sym} 930 -610 3 0 {name=C9  value=4f}
C {devices/parax_cap.sym} 1110 -610 1 1 {name=C10  value=4f}
C {devices/lab_pin.sym} 1080 -650 0 0 {name=l15 lab=GP2}
C {devices/lab_pin.sym} 740 -570 0 1 {name=p1 lab=VSS}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 610 -570 0 0 {name=M22
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {devices/lab_pin.sym} 600 -520 0 0 {name=p2 lab=VSSI}
C {devices/lab_pin.sym} 540 -570 0 0 {name=l16 lab=GN2}
C {devices/lab_pin.sym} 1590 -290 0 1 {name=p8 lab=VSS}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 1540 -290 0 0 {name=M25
L=2
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {devices/lab_pin.sym} 1530 -180 0 0 {name=p27 lab=VSSI}
C {devices/lab_pin.sym} 1590 -580 0 1 {name=p28 lab=VCC}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 1540 -580 0 0 {name=M26
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {devices/lab_pin.sym} 1530 -630 0 0 {name=p29 lab=VCC}
C {devices/lab_pin.sym} 1410 -290 0 0 {name=l21 lab=GN1}
C {devices/lab_pin.sym} 1410 -580 0 0 {name=l22 lab=GP1}
C {sky130_fd_pr/cap_mim_m3_1.sym} 2560 -840 0 0 {name=C5 model=cap_mim_m3_1 W=4 L=5 MF=1 spiceprefix=X}
C {sky130_fd_pr/cap_mim_m3_1.sym} 2070 -840 0 0 {name=C2 model=cap_mim_m3_1 W=4 L=5 MF=1 spiceprefix=X}
C {sky130_fd_pr/cap_mim_m3_1.sym} 1580 -840 0 0 {name=C4 model=cap_mim_m3_1 W=4 L=5 MF=1 spiceprefix=X}
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2190 -870 0 0 {name=M3
L=3
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2190 -1120 0 0 {name=M13
L=3
W=3
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 2680 -870 0 0 {name=M7
L=3
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 2680 -1120 0 0 {name=M12
L=3
W=3
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/nfet_01v8_lvt.sym} 1700 -870 0 0 {name=M2
L=3
W=1
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=nfet_01v8_lvt
spiceprefix=X
 }
C {sky130_fd_pr/pfet_01v8_lvt.sym} 1700 -1120 0 0 {name=M14
L=3
W=3
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {devices/lab_pin.sym} 700 -1040 0 1 {name=p30 lab=VCC}
C {sky130_fd_pr/pfet_01v8_lvt.sym} 610 -1040 0 0 {name=M27
L=2
W=2
ad="'W * 0.29'" pd="'2*(W + 0.29)'"
as="'W * 0.29'" ps="'2*(W + 0.29)'"
nrd=0 nrs=0
sa=0 sb=0 sd=0
nf=1 mult=1
model=pfet_01v8_lvt
spiceprefix=X
 }
C {devices/lab_pin.sym} 600 -1090 0 0 {name=p31 lab=VCC}
C {devices/lab_pin.sym} 540 -1040 0 0 {name=l17 lab=GP2}
C {devices/ammeter.sym} 1030 -1250 0 0 {name=vpdiff
current=6.0224e-06}
C {devices/vsource.sym} 120 -1110 0 0 {name=VVSS value=0}
C {devices/lab_pin.sym} 120 -1200 0 0 {name=p3 lab=VSS}
C {devices/lab_pin.sym} 120 -1080 0 0 {name=p4 lab=0}
C {devices/res.sym} 120 -1170 0 0 {name=R1
value=30
footprint=1206
device=resistor
m=1}
C {devices/parax_cap.sym} 160 -1200 3 0 {name=C6 gnd=0 value=100p m=1}
C {devices/vsource.sym} 300 -1110 0 0 {name=VVCC value=VCC}
C {devices/lab_pin.sym} 300 -1200 0 0 {name=p32 lab=VCC}
C {devices/lab_pin.sym} 300 -1080 0 0 {name=p33 lab=0}
C {devices/res.sym} 300 -1170 0 0 {name=R2
value=30
footprint=1206
device=resistor
m=1}
C {devices/parax_cap.sym} 340 -1200 3 0 {name=C11 gnd=0 value=100p m=1}
C {devices/vsource.sym} 120 -960 0 0 {name=VPLUS value=VDL
spice_ignore=false}
C {devices/lab_pin.sym} 120 -930 0 0 {name=p34 lab=0}
C {devices/lab_pin.sym} 120 -1020 0 0 {name=p35 lab=PLUS}
C {devices/vsource.sym} 300 -960 0 0 {name=VMINUS value="pwl
+0 VDL
+70.2n VDL
+70.5n 'VDL-DELTA'
+109.9n 'VDL-DELTA'
+110.1n VDL
+170.2n VDL
+170.5n 'VDL+DELTA'
+209.9n 'VDL+DELTA'
+210.1n VDL"
spice_ignore=false}
C {devices/lab_pin.sym} 300 -930 0 0 {name=p36 lab=0}
C {devices/lab_pin.sym} 300 -1020 0 0 {name=p37 lab=MINUS}
C {devices/vsource.sym} 120 -750 0 0 {name=VCAL value="dc VCC pwl
+0 0
+29.9n 0
+30.1n VCC
+69.9n VCC
+70.1n 0
+129.9n 0
+130.1n VCC
+169.9n VCC
+170.1n 0"
spice_ignore=false}
C {devices/lab_pin.sym} 120 -720 0 0 {name=p38 lab=0}
C {devices/lab_pin.sym} 120 -810 0 0 {name=p39 lab=CAL}
C {devices/vsource.sym} 300 -750 0 0 {name=VEN value="dc VCC pwl 
+0 0
+29.9n 0
+30.1n VCC
+109.9n VCC
+110.1n 0
+129.9n 0
+130.1n VCC
+209.9n VCC
+210.1n 0"
spice_ignore=false}
C {devices/lab_pin.sym} 300 -720 0 0 {name=p40 lab=0}
C {devices/lab_pin.sym} 300 -810 0 0 {name=p41 lab=EN}
C {devices/code.sym} 190 -190 0 0 {name=STIMULI 
only_toplevel=true
place=end
value="
** this experimental option enables mos model bin 
** selection based on W/NF instead of W
.option chgtol=4e-16 method=gear

.param VCCGAUSS = agauss(1.8, 0.05, 1)
.param VCC = 'VCCGAUSS'
** use following line to remove VCC variations
* .param VCC = 1.8
.param VDLGAUSS = agauss(0.9, 0.23, 1)
.param VDL = VDLGAUSS
** use following line to remove input common mode variations
* .param VDL =  0.9
.param TEMPGAUSS = agauss(40, 30, 1)
.option temp = 'TEMPGAUSS'
** use following line to remove temperature variations
* .option temp = 25
.param DELTA = 0.002

.control
  option seed = 8
  let run = 1
  save all
  op
  write test_comparator.raw
  reset
  set appendwrite
  dowhile run < = 100
    save saout cal i(vvcc) en plus minus temperat vcc vss gp1 gp2 gn1 gn2 vssi
    + outdiff saoutf zero0 zero1 zero2 sn sp i(vndiff) i(vpdiff)
    + i(v3) i(v2) i(v1) i(v4) i(v5) i(v6)
    * save all
    tran 0.1n 250n uic
    write test_comparator.raw
    let run = run + 1
    reset
  end
.endc
"}
C {sky130_fd_pr/corner.sym} 20 -190 0 0 {name=CORNER only_toplevel=true corner=tt_mm}
C {devices/vsource_arith.sym} 640 -190 0 0 {name=E5 VOL=temper MAX=200 MIN=-200}
C {devices/lab_pin.sym} 640 -240 0 1 {name=p113 lab=TEMPERAT}
C {devices/lab_pin.sym} 640 -160 0 0 {name=p114 lab=VSS}
C {devices/noconn.sym} 640 -240 0 0 {name=l12}
C {devices/title.sym} 3180 -120 0 0 {name=lx author="Stefan Schippers"}
C {devices/ammeter.sym} 1560 -230 0 0 {name=v2
current=2.9544e-06}
C {devices/lab_wire.sym} 1010 -530 0 1 {name=l21 lab=VSS}
C {devices/launcher.sym} 850 -150 0 0 {name=h2
descr="Annotate OP" 
tclcommand="set show_hidden_texts 1; xschem annotate_op"
}