p6-17.sp

HSPICE程序和仿真。可以直接在HSPICE里面RUN.

*HSPICE SIMULATION FILE EX6-2
*INVERTER DELAY W/ DIFFERENT LOADING
.OPTIONS POST=2 LIST
.LIB '.\Mm0355v.l' TT
VCC VCC GND DC URAIL
Vss Vss GND DC 0
Va A GND pwl(0 0 4.9n 0 5n 3.3 9.9n 3.3 10n 0 14.9n 0 15n 3.3)
Vb B gnd pwl(0 0 9.9n 0 10n 3.3 15n 3.3)
.subckt not A Y Vcc Vss
M1 Y A Vcc Vcc PCH L=0.35U W=4U M=1
M2 Y Vss Vss NCH L=0.35U W=2U M=1
.ends
.subckt nand a b y Vcc Vss
M1 Y A Vcc Vcc pch W=4u L=0.35u
M2 Y B Vcc Vcc pch W=4u L=0.35u
M3 Y A a2 vss nch W=2u L=0.35u
M4 A2 B Vss Vss nch W=2u L=0.35u
.ends
.subckt nor A B Y Vcc Vss
M1 A1 A Vcc Vcc pch W=8u L=0.35u
M2 Y B a1 Vcc pch W=8u L=0.35u
M3 Y A Vss Vss nch W=2u L=0.35u
M4 Y B Vss Vss nch W=2u L=0.35u
.ends
X1 A B Y1 Vcc Vss nand
X2 Y1 Y2 Vcc Vss not
X3 A B Y3 Vcc Vss nor
X4 Y2 Y3 Y Vcc Vss nor
.tran 1p 20n
.PARAM URAIL=3.3V
.MEASURE TRAN TRFDELAY TRIG V(a) VAL="URAIL/2" TD=0.01NS
+rise=1 TARG V(y) VAL="URAIL/2" fall=1
.OPTIONS POST METHOD=GEAR ACCURATE=1
.OPTIONS INGOLD=2
.END