test
.MODEL N1 NMOS LEVEL=1
+VTO=0.7 GAMMA=0.45 PHI=0.9
+NSUB=9E+14 LD=0.08E-6 UO=350 LAMBDA=0.1
+TOX=9E-9 PB=0.9 CJ=0.56E-3 CJSW=0.35E-11
+MJ=0.45 MJSW=0.2 CGDO=0.4E-9 JS=1.0E-8
.MODEL p1 PMOS LEVEL=1
+VTO=-0.8 GAMMA=0.4 PHI=0.8
+NSUB=5E+14 LD=0.09E-6 UO=100 LAMBDA=0.2
+TOX=9E-9 PB=0.9 CJ=0.94E-3 CJSW=0.32E-11
+MJ=0.5 MJSW=0.3 CGDO=0.3E-9 JS=0.5E-8
M1 VX VG1 GND GND N1 L=0.5U W=25U
M2 VO VG2 VX GND N1 L=0.5U W=25U
M3 VO VY VDD VDD P1 L=0.5U W=75U
M4 VY VY VDD VDD P1 L=0.5U W=75U
CL VO GND 1PF
RS VG1 VINP 1K
VDD VDD GND DC 3V
VB1 VINM GND DC 0.88V
VB2 VG2 GND DC 1.04V
VIN VINP VINM AC 1mV
ID VY GND DC 0.1mA
.OP