Inverter Circuit

M1 OUT IN VDD VDD CMOSP L=0.12u W=1.5u
M2 OUT IN 0 0 CMOSN L=0.12u W=0.48u
VDD VDD 0 1.2
VIN IN 0 0 PULSE 0 1.2 0 .5n .5n 2n 3n 
CLOAD OUT 0 20fF

 .OPTIONS LIST NODE POST
 .TRAN 100p 10n
 .PRINT TRAN V(IN) V(OUT)
 .LIB "ibm_013um_model" CMOS_MODELS
 .END