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標題: hspice PFD求助 [打印本頁]
作者: Chiehlee    時間: 2022-5-20 06:28 PM
標題: hspice PFD求助
最近在用HSPICE模擬PFD電路,
5 x5 d6 n; n0 \有試過用2個D型正反器的結構,# D- G' E$ @% l: u  R
還有TSPC跟HT架構,
9 h7 ~8 d$ O4 m" e( j但跑出來的結果都不理想,甚至up跟dn完全就是錯的% L% y6 O3 o" F' g( Q
不知道問題出在哪裡?1 z9 w+ {* @! O$ ?

( @* G" _, O" q8 I7 G***pfd***
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.protect* V# e, f% m8 j  {3 x- r. Y
.lib 'rf018.l' TT
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+ d( Y+ d" t: l% O6 y.unprotect  j, b1 O) `$ ^. l. g, [/ t- m
.option post
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vdd vdd 0 1.8% q( P" P9 f; l4 w
v1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
2 J% Y8 F* i" m5 M: k$ ?( L( _5 Uv2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)# P6 K( O8 [; |

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** part1 **
" P2 X( b9 [+ fMM1 a clk1 vdd vdd pch l=0.18u W=2u, u: E* j, i' Z
MM2 a clk2 b b nch l=0.18u W=2u6 w) R" Z/ ^3 `
MM3 b clk1 gnd gnd nch l=0.18u W=2u# g4 d1 K* f4 d" w  O3 R! K) e/ L; x
MM4 c a vdd vdd pch l=0.18u W=2u
# `' p! u. \" Q, Y8 F9 e4 AMM5 c clk1 d d nch l=0.18u W=2u
% i9 e4 ]" u. S. @MM6 d a gnd gnd nch l=0.18u W=2u. m6 d. S5 q2 L6 G6 I
MM7 f c vdd vdd pch l=0.18u W=2u
8 e: O! q/ @: T3 J/ BMM8 f clk1 e e nch l=0.18u W=2u& f0 Q% w7 b: @* p, L$ C4 J
MM9 e c gnd gnd nch l=0.18u W=2u* z1 Y! a6 d$ Z) g/ i2 E& D  z' j1 b
MM19 a dn gnd gnd nch l=0.18u W=2u
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MM21 up f vdd vdd pch l=0.18u W=2u% q, N6 v% W9 ^, ^6 S" W
MM22 up f gnd gnd nch l=0.18u W=2u  S* Y6 t" L- k: d3 @- x
MM23 up g vdd vdd pch l=0.18u W=2u* D9 ?8 |, u3 c  b
MM24 up g gnd gnd nch l=0.18u W=2u
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. t/ O  ~' S& B. X5 H) B( \3 f& J** part2 **3 j3 w! P) ?5 y
MM10 aa clk2 vdd vdd pch l=0.18u W=2u
8 g8 H3 [2 Q/ G: E. h/ F. iMM11 aa clk1 bb bb nch l=0.18u W=2u
2 S+ N6 A6 g# r, x, bMM12 bb clk2 gnd gnd nch l=0.18u W=2u2 s/ a, S+ B5 T5 @
MM13 cc aa vdd vdd pch l=0.18u W=2u8 Y5 T- \/ r' C, S7 R/ s; R; L
MM14 cc clk2 dd dd nch l=0.18u W=2u
! A$ I5 ~: U" Q* {4 |5 k1 ^MM15 dd aa gnd gnd nch l=0.18u W=2u# E6 {; L, K0 ?4 w9 y5 C! m, H# L1 K
MM16 ff cc vdd vdd pch l=0.18u W=2u
! ^7 y* R9 i- Q4 Z  K* mMM17 ff clk2 ee ee nch l=0.18u W=2u
* t& a. q( \+ S* o. `1 Q0 w  HMM18 ee cc gnd gnd nch l=0.18u W=2u
2 V- n1 v. S% eMM20 aa up gnd gnd nch l=0.18u W=2u- ^6 N; K  l; L

' [; O# o4 i0 I" ^/ \5 N2 UMM25 dn ff vdd vdd pch l=0.18u W=2u; h; f/ d+ ~4 h+ i1 n$ _
MM26 dn ff gnd gnd nch l=0.18u W=2u
4 g! }9 U* V5 kMM27 dn gg vdd vdd pch l=0.18u W=2u, R( X, @1 g2 g! o7 x) m5 C
MM28 dn gg gnd gnd nch l=0.18u W=2u* J0 {( K; A- z! P* T. m  t! l

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, Q) ?' ]: {- o& s2 s3 t: D3 Z.tran 10m 1000m
# a# E+ d% M) ^( B7 k' u1 Y! g1 s.print v(up)
5 |2 _6 b8 a  @- B.probe v(up), W5 t, f- M& U4 D* X
.print v(dn)
8 o1 `; i1 E- A3 M) G.probe v(dn)# D3 X1 Q# R3 p( z7 I/ l
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. ^4 c% {" P# y3 g: H; \上面為TSPC的程式碼2 m- t6 b. |) v" \5 z& q9 u% A
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拜託大家了" F7 W3 s& H5 \; [9 F) F4 X; A" ]




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