hspice PFD求助

Chiehlee

最近在用HSPICE模擬PFD電路,
' A% ^2 ^/ w: Q+ M4 r- t% M有試過用2個D型正反器的結構,
$ H$ V) C6 t; I6 r1 s6 c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
# B% B6 b: \& @% E4 _0 B不知道問題出在哪裡?

***pfd***
: T& i6 T2 p8 w# G- j& Y0 c9 J' _
. d* F$ b9 v' M. N6 E5 k4 W/ |.protect
.lib 'rf018.l' TT
$ F9 Q8 I$ i6 P! M- G$ B) `$ r  R
.unprotect
.option post

$ C  v( _9 }0 y( s9 [: x: o! p
, Z( J6 T7 f6 c9 i5 T9 f. `3 ~vdd vdd 0 1.8
: w7 ^4 a0 Y5 r) R# R9 {! n- Iv1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
; Z4 D5 y' M0 F% H+ J4 f% Zv2 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
! h* ^6 k( A. W0 o/ V# X, S& IMM5 c clk1 d d nch l=0.18u W=2u
MM6 d a gnd gnd nch l=0.18u W=2u
MM7 f c vdd vdd pch l=0.18u W=2u
6 D9 B0 e1 u( q& }; ^1 c; C$ CMM8 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
  M' }& K5 I5 d' f
MM21 up f vdd vdd pch l=0.18u W=2u
MM22 up f gnd gnd nch l=0.18u W=2u
- |! V, M6 E: ~" B$ I) SMM23 up g vdd vdd pch l=0.18u W=2u
MM24 up g gnd gnd nch l=0.18u W=2u

  V5 V7 w  h/ ~- _4 C8 W
& p* P# ~6 X. w% s- B( [7 d9 ?** part2 **
. g( n5 J+ H+ u6 R: P' h5 I( KMM10 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
9 s  {9 c* Y8 e5 H7 yMM13 cc aa vdd vdd pch l=0.18u W=2u
MM14 cc clk2 dd dd nch l=0.18u W=2u
MM15 dd aa gnd gnd nch l=0.18u W=2u
+ B. B# X2 x' U7 K8 l9 w6 h& }MM16 ff cc vdd vdd pch l=0.18u W=2u
7 G. d5 B0 A0 j/ F7 K4 |MM17 ff clk2 ee ee nch l=0.18u W=2u
3 h9 w4 u3 X( P% tMM18 ee cc gnd gnd nch l=0.18u W=2u
MM20 aa up gnd gnd nch l=0.18u W=2u
$ s+ ~8 K; f0 @) B# M
MM25 dn ff vdd vdd pch l=0.18u W=2u
( x0 r& B7 H  z& y0 P% QMM26 dn ff gnd gnd nch l=0.18u W=2u
" t2 j: z3 [2 }MM27 dn gg vdd vdd pch l=0.18u W=2u
MM28 dn gg gnd gnd nch l=0.18u W=2u


- |, U/ E5 m+ r5 H$ |; J" K2 u.tran 10m 1000m
.print v(up)
6 w9 j0 J/ E- f4 `.probe v(up)
.print v(dn)
.probe v(dn)
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! q; N& g* [  \* u& R8 R.OP
.END

上面為TSPC的程式碼
$ C" i% ]1 E8 r4 A, a2 ?
拜託大家了