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
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發現輸出好像怪怪的 可否麻煩請大大幫我看一下 謝謝
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! U% _% E9 Q$ g$ W1 f3 L, {) c4 V) SXOR****
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+ K! U! ]% e1 B.protect
4 U" n4 J& `5 k' i  c.lib "~/model/tsmc035.l" MOS
.unprotect
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MP1 n1 a_ vdd vdd pch w=3u l=0.35u
MP2 n1 b_ vdd vdd pch w=3u l=0.35u
' S6 ^6 b0 h7 GMP3 z a n1 vdd pch w=3u l=0.35u
6 l& e* n- V" S: w! ^1 K7 X5 V' NMP4 z b n1 vdd pch w=3u l=0.35u
3 a! k! b) @- kMN1 z a_ n3 gnd nch w=1.5u l=0.35u
: }4 j: G: k' V  fMN2 z a n4 gnd nch w=1.5u l=0.35u
7 \7 k9 X. U3 [# [/ N- k$ f% OMN3 n3 b_ gnd gnd nch w=1.5u l=0.35u
MN4 n4 b gnd gnd nch w=1.5u l=0.35u
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. I- |  }5 `( j- pvddd vdd 0 3.3

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# \" g, H8 a7 c& t! _va a 0 pwl(0 3.3 10n 3.3 10.1n 0 28n 0 28.1n 3.3)
, k( b% b6 e, _3 I& G, Cvb b 0 pwl(0 3.3 16n 3.3 16.1n 0 28n 0)
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.probe v(a) v(b) v(z)
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.tran 0.1ns 60ns
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