Inverter Circuit

M1 OUT IN VDD VDD CMOSP L=22n W=132n
M2 OUT IN 0 0 CMOSN L=22n W=44n
VDD VDD 0 1.8

VIN IN 0 AC 0.5
CLOAD OUT 0 20fF

.op
.AC DEC 10 1 100Meg
.PLOT Vdb(IN) Vdb(OUT)
.option post
.LIB "PTM_22nm_Metal_Gate_model" CMOS_MODELS   

.END