hspice XOR 模擬疑問

c26255412

這是我練習打的XOR的文件 想練習用PWL的語法

  k! a# D) \; P2 d發現輸出好像怪怪的 可否麻煩請大大幫我看一下 謝謝

XOR****
3 O% N5 S0 Z* c2 C( F
8 {4 H" e" p" b% O; e' u3 _% s.protect
4 g( [, k/ t- [, l$ w# J.lib "~/model/tsmc035.l" MOS
.unprotect
.option post list

- U- c& u" X1 B7 c  ~6 xMP1 n1 a_ vdd vdd pch w=3u l=0.35u
% c& _! M& }! M2 A% G$ j  B# sMP2 n1 b_ vdd vdd pch w=3u l=0.35u
MP3 z a n1 vdd pch w=3u l=0.35u
MP4 z b n1 vdd pch w=3u l=0.35u
* i2 X" k% i( |/ g3 uMN1 z a_ n3 gnd nch w=1.5u l=0.35u
; o0 w" o3 P0 X: FMN2 z a n4 gnd nch w=1.5u l=0.35u
- ]& E2 w+ a$ p4 p, sMN3 n3 b_ gnd gnd nch w=1.5u l=0.35u
MN4 n4 b gnd gnd nch w=1.5u l=0.35u
c z 0 40f

vddd vdd 0 3.3
( f* r9 F0 D8 B5 K' [- k, R
; ]$ ?3 x, V; p0 n& K9 y

va a 0 pwl(0 3.3 10n 3.3 10.1n 0 28n 0 28.1n 3.3)
5 P. I7 n/ `! J/ Uvb b 0 pwl(0 3.3 16n 3.3 16.1n 0 28n 0)

" Y- g" [' R& x% \4 P; }% p.probe v(a) v(b) v(z)

.tran 0.1ns 60ns
% h8 B% z/ {1 z! z. `/ C+ b# `/ E.end
+ r5 k9 k% \4 s# S
  w) i6 T- q% K' [" M: ^