CMOS inverter Transfer Characterisitcs
include "./d25.m"
simulator lang=spice
** The above line tells spectre that we use the standard SPICE syntax instead
** of Spectre's own syntax
VDD 1 0 2.5

** MOS D G S B type Width Length
M1 3 2 1 1 d25P W=1.8U L=0.24U
M2 3 2 0 0 d25N W=0.84U L=0.24U

***** For DC analysis  only ***********
VIN_DC 2 0 0
.DC VIN_DC 0 2.5 0.1
.PLOT DC VIN_DC(2 0) VOUT(3 0) 

***** For Transient analysis only ****
**VIN_TR 2 0 PWL(0NS 2.5 0.1NS 2.5 0.15NS 0 2NS 0 2.05NS 2.5)
**.TRAN 0.05NS 3NS

*.PROBE
.END