hspice PFD求助

Chiehlee

最近在用HSPICE模擬PFD電路,
有試過用2個D型正反器的結構,
/ J2 q( [4 |( J; B0 t3 V還有TSPC跟HT架構,
& T. d& T- @6 M5 V但跑出來的結果都不理想,甚至up跟dn完全就是錯的
: n4 y% O. o; a! S不知道問題出在哪裡?

9 @- S0 m% b2 C7 K* k***pfd***

2 V- J6 I* n6 O6 K* j) V" a/ i5 \.protect
, D0 S% L5 I9 s0 B.lib 'rf018.l' TT
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.unprotect
$ L/ I8 b! k$ I& j1 v" }+ Z8 s.option post

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vdd vdd 0 1.8
v1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
. ?( g" F3 t" |/ S4 |& X; \; x- n  Pv2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)
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** part1 **
MM1 a clk1 vdd vdd pch l=0.18u W=2u
MM2 a clk2 b b nch l=0.18u W=2u
MM3 b clk1 gnd gnd nch l=0.18u W=2u
MM4 c a vdd vdd pch l=0.18u W=2u
MM5 c clk1 d d nch l=0.18u W=2u
MM6 d a gnd gnd nch l=0.18u W=2u
* y8 `2 _/ u5 G- v4 f& fMM7 f c vdd vdd pch l=0.18u W=2u
/ ^0 N; e0 m4 u/ C7 mMM8 f clk1 e e nch l=0.18u W=2u
MM9 e c gnd gnd nch l=0.18u W=2u
MM19 a dn gnd gnd nch l=0.18u W=2u

MM21 up f vdd vdd pch l=0.18u W=2u
" _9 e' X5 H2 Y! P$ b; f3 k% U" KMM22 up f gnd gnd nch l=0.18u W=2u
  b$ Q2 Q4 f1 p: f, n" t) D% TMM23 up g vdd vdd pch l=0.18u W=2u
MM24 up g gnd gnd nch l=0.18u W=2u


** part2 **
MM10 aa clk2 vdd vdd pch l=0.18u W=2u
  l5 n2 H1 j( \: t/ ~! mMM11 aa clk1 bb bb nch l=0.18u W=2u
7 E8 ?5 ^8 Z# Q: v$ C4 ~7 nMM12 bb clk2 gnd gnd nch l=0.18u W=2u
MM13 cc aa vdd vdd pch l=0.18u W=2u
) K% y- ?1 ^  I' j/ OMM14 cc clk2 dd dd nch l=0.18u W=2u
; }. G& R! p/ N  w% t6 o6 c: fMM15 dd aa gnd gnd nch l=0.18u W=2u
& p, O# Z& Z2 ?+ F$ `# H3 o6 g- Y( A8 @MM16 ff cc vdd vdd pch l=0.18u W=2u
% K4 E! j# f' S4 Z5 z/ kMM17 ff clk2 ee ee nch l=0.18u W=2u
; j; A: A4 a) f5 x$ @6 wMM18 ee cc gnd gnd nch l=0.18u W=2u
! q, s0 F! P0 Q1 R# ^MM20 aa up gnd gnd nch l=0.18u W=2u
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MM25 dn ff vdd vdd pch l=0.18u W=2u
MM26 dn ff gnd gnd nch l=0.18u W=2u
% w* h( T, T4 R! UMM27 dn gg vdd vdd pch l=0.18u W=2u
- ?5 v5 G( G0 N- X5 ^MM28 dn gg gnd gnd nch l=0.18u W=2u


.tran 10m 1000m
.print v(up)
.probe v(up)
.print v(dn)
9 K* J1 V2 Z/ I6 z. z: ?, a' U( y( a# p.probe v(dn)
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/ t) t" m% m& n. M* e" J.OP
.END

. \3 h3 Q! Y) \9 q$ N' v+ _上面為TSPC的程式碼

& p1 m- s7 s" G; {4 A拜託大家了