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,
還有TSPC跟HT架構,
但跑出來的結果都不理想,甚至up跟dn完全就是錯的
不知道問題出在哪裡?
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***pfd***

  A$ l; C3 K- G+ X% {; z7 i8 r.protect
) o7 [! }% R' d# q& f1 N" b# G.lib 'rf018.l' TT

2 M1 t  C0 h' A8 e3 z! Y/ A2 G.unprotect
.option post


( X$ C/ m) C/ Qvdd vdd 0 1.8
v1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
2 l- l7 A2 ~2 W0 R" G0 o& Mv2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)

6 r  o$ r+ K0 C6 I' Q  ~
** part1 **
; E! ^; G. M( M% [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
% L3 `/ v9 Z  N+ g$ p, O( kMM4 c a vdd vdd pch l=0.18u W=2u
2 h5 X0 z9 d: aMM5 c clk1 d d nch l=0.18u W=2u
MM6 d a gnd gnd nch l=0.18u W=2u
5 k" m; @9 I3 q! }) W6 g2 OMM7 f c vdd vdd pch l=0.18u W=2u
8 D# E$ {. m! e% n' R. z3 L2 ~- SMM8 f clk1 e e nch l=0.18u W=2u
MM9 e c gnd gnd nch l=0.18u W=2u
9 K  @, A% F2 T* R! l" |! MMM19 a dn gnd gnd nch l=0.18u W=2u

, i3 o3 \( R7 y/ C" S% d: UMM21 up f vdd vdd pch l=0.18u W=2u
MM22 up f gnd gnd nch l=0.18u W=2u
) h8 x$ C6 h- o% W" x+ cMM23 up g vdd vdd pch l=0.18u W=2u
, J4 Y# S8 N% H0 A5 T0 zMM24 up g gnd gnd nch l=0.18u W=2u
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1 l3 ^+ F9 H. a3 @** part2 **
MM10 aa clk2 vdd vdd pch l=0.18u W=2u
MM11 aa clk1 bb bb nch l=0.18u W=2u
MM12 bb clk2 gnd gnd nch l=0.18u W=2u
MM13 cc aa vdd vdd pch l=0.18u W=2u
: a/ f6 h9 A% o; I8 OMM14 cc clk2 dd dd nch l=0.18u W=2u
: C( f2 \3 s4 @/ FMM15 dd aa gnd gnd nch l=0.18u W=2u
+ t2 s& g8 v/ v( s( f( `MM16 ff cc vdd vdd pch l=0.18u W=2u
( |$ U5 [" E1 jMM17 ff clk2 ee ee nch l=0.18u W=2u
& |+ m: T. u" a) a, N3 r) Y: uMM18 ee cc gnd gnd nch l=0.18u W=2u
8 [! X6 J- ^- H6 `" p0 C3 Z! _MM20 aa up gnd gnd nch l=0.18u W=2u
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* b. m. j: u. n( s& l$ m4 }2 PMM25 dn ff vdd vdd pch l=0.18u W=2u
MM26 dn ff gnd gnd nch l=0.18u W=2u
" i# I7 D; l# F  HMM27 dn gg vdd vdd pch l=0.18u W=2u
" k/ u! X7 l( M, d0 nMM28 dn gg gnd gnd nch l=0.18u W=2u
; {. m) C3 V, @$ f& t* q9 w4 Q! J

& `; D$ q: |* R2 H% k.tran 10m 1000m
5 v; s+ F+ a' T.print v(up)
/ I/ I4 z  r+ J/ s' p.probe v(up)
.print v(dn)
7 X! l# g- V5 n/ G& h.probe v(dn)

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.OP
.END
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上面為TSPC的程式碼
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