inverter_chain.sp

数字大规模集成电路的Hspice仿真 包括最基本的Inverter

inverter_chain.sp
.global vdd
vdc vdd gnd 1.8v
.subckt inv in out  wn=0.36u wp=0.72u
.protect
.lib 'E:\study\hspice_digtal\l18u18v.122.lib' L18U18V_TT 
.unprotect
mp out in vdd vdd  P_18_G2  w=wp l=0.18u
mn out in gnd gnd  N_18_G2  w=wn l=0.18u
.ends
x1  in 1  inv wn=0.36u wp=0.72u
x2  1 2   inv wn=0.36u wp=0.72u	
x3  2 out inv wn=0.36u wp=0.72u
cl  out 0  1pf	
vin in gnd 1v
.dc vin 0.1 1.8v 0.01v
.print dc v(out)
……
.end