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,
/ @/ y$ n. r+ }  k" @; o4 p& \但跑出來的結果都不理想,甚至up跟dn完全就是錯的
$ f* y8 ?3 p0 h/ H* @; C$ a2 t不知道問題出在哪裡?

***pfd***
8 k. a( L' r% m# r( `* G
9 G& z! U. ?8 q3 v.protect
.lib 'rf018.l' TT
: _( J" R6 i: S
.unprotect
8 [3 e! ?8 x8 |% M% P, T.option post


* g1 E- [, R+ wvdd vdd 0 1.8
  C: {* n+ e0 Z5 J  s7 bv1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
v2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)
* W- z' ?, W% }& v. q" J
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+ R+ _" `! P2 u, S! r5 d** part1 **
  Q' B. d( ?% z7 W3 t; p% X2 c% yMM1 a clk1 vdd vdd pch l=0.18u W=2u
& g+ |: b3 t2 X5 jMM2 a clk2 b b nch l=0.18u W=2u
/ A2 c& D3 ?& X& G) UMM3 b clk1 gnd gnd nch l=0.18u W=2u
3 }# W5 S7 n- P$ w2 i8 g' UMM4 c a vdd vdd pch l=0.18u W=2u
- S- v( C4 O# n$ J; `MM5 c clk1 d d nch l=0.18u W=2u
MM6 d a gnd gnd nch l=0.18u W=2u
, W1 U  M& m) w* o2 i3 c& d# r' ^MM7 f c vdd vdd pch l=0.18u W=2u
MM8 f clk1 e e nch l=0.18u W=2u
# Z$ q( N9 ]! _1 cMM9 e c gnd gnd nch l=0.18u W=2u
  w: v( M4 Y1 _8 tMM19 a dn gnd gnd nch l=0.18u W=2u
' M; Q$ c  G& s: B2 r( V6 N
MM21 up f vdd vdd pch l=0.18u W=2u
MM22 up f gnd gnd nch l=0.18u W=2u
) ?8 d! r" D/ }MM23 up g vdd vdd pch l=0.18u W=2u
! S" k( j8 @' v9 KMM24 up g gnd gnd nch l=0.18u W=2u
  G% o) l8 {  b' [
! `# z0 i' ]! `8 R
- z. K6 l5 p, Q" z# O** part2 **
! b" Y4 o1 V& g4 g' R6 A6 tMM10 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
. _2 n/ A. \1 R: j1 F' O3 _MM13 cc aa vdd vdd pch l=0.18u W=2u
1 `! t+ e8 h; `8 Z( sMM14 cc clk2 dd dd nch l=0.18u W=2u
/ T+ @1 B2 w5 I! h- v8 sMM15 dd aa gnd gnd nch l=0.18u W=2u
MM16 ff cc vdd vdd pch l=0.18u W=2u
MM17 ff clk2 ee ee nch l=0.18u W=2u
' O1 A, e3 r8 F, T4 C. wMM18 ee cc gnd gnd nch l=0.18u W=2u
8 _  C. x' [  U: R9 k+ s9 [) Y5 K# qMM20 aa up gnd gnd nch l=0.18u W=2u

MM25 dn ff vdd vdd pch l=0.18u W=2u
; {" V/ [( T4 }* x+ k  H  Y% G) k/ ?MM26 dn ff gnd gnd nch l=0.18u W=2u
MM27 dn gg vdd vdd pch l=0.18u W=2u
MM28 dn gg gnd gnd nch l=0.18u W=2u

/ I# T. W8 ?( ^) A5 a" H
8 f; E  R6 h2 R.tran 10m 1000m
.print v(up)
.probe v(up)
: P% X7 o; u/ m' T- z- G/ M.print v(dn)
2 K9 O3 ~+ k# X3 Q' o.probe v(dn)
9 Y0 E$ C$ U3 K
1 |" J/ c3 Z0 G
.OP
.END

% p( j; i5 g3 N5 F# E$ g/ G上面為TSPC的程式碼

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