hspice PFD求助

Chiehlee

最近在用HSPICE模擬PFD電路,
( h7 K" X* j$ U3 n6 [; b有試過用2個D型正反器的結構,
還有TSPC跟HT架構,
& V( v& I4 B8 M& C, U$ y: D; ^8 o! i3 g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?

***pfd***
( j' t1 K! G8 ~/ i
.protect
.lib 'rf018.l' TT
  a& \+ J4 w+ z5 r
8 u8 x# C2 }. _1 ?9 W.unprotect
4 J" x* X8 o: J8 s.option post


vdd vdd 0 1.8
v1 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)
( z& u1 o  d4 ?5 g) k- q7 c9 t

' ]7 ^& s" [" \3 ~# K% [** part1 **
MM1 a clk1 vdd vdd pch l=0.18u W=2u
8 F# R) G# i/ {0 W! X+ ~7 jMM2 a clk2 b b nch l=0.18u W=2u
6 E! N- Q) i4 w) ^: {8 ~MM3 b clk1 gnd gnd nch l=0.18u W=2u
' J; h' M! i" ?3 k2 n9 _* Z0 U  y6 WMM4 c a vdd vdd pch l=0.18u W=2u
! I5 t& S, k0 BMM5 c clk1 d d nch l=0.18u W=2u
5 }6 k4 l9 g* J5 C, O: p/ GMM6 d a gnd gnd nch l=0.18u W=2u
MM7 f c vdd vdd pch l=0.18u W=2u
MM8 f clk1 e e nch l=0.18u W=2u
MM9 e c gnd gnd nch l=0.18u W=2u
4 b7 ?1 {; g( V/ rMM19 a dn gnd gnd nch l=0.18u W=2u
" S  ?( v8 f3 a3 Z, P* L3 p4 p
5 N/ S7 e0 Z' x6 L) MMM21 up f vdd vdd pch l=0.18u W=2u
MM22 up f gnd gnd nch l=0.18u W=2u
MM23 up g vdd vdd pch l=0.18u W=2u
MM24 up g gnd gnd nch l=0.18u W=2u


** part2 **
( G1 W: A2 w* H* {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
+ i* l. Z) s0 y5 b. pMM13 cc aa vdd vdd pch l=0.18u W=2u
MM14 cc clk2 dd dd nch l=0.18u W=2u
9 b7 z) J, `! V6 p) tMM15 dd aa gnd gnd nch l=0.18u W=2u
MM16 ff cc vdd vdd pch l=0.18u W=2u
( `- L1 ?# O" o+ _5 yMM17 ff clk2 ee ee nch l=0.18u W=2u
$ n8 a2 k1 y2 s- I& DMM18 ee cc gnd gnd nch l=0.18u W=2u
1 K3 o1 W; Q  z8 B1 VMM20 aa up gnd gnd nch l=0.18u W=2u
" g9 F1 P, ?. U. |+ h* ^+ e
9 s: N4 K; h1 \3 \MM25 dn ff vdd vdd pch l=0.18u W=2u
+ H1 s/ E/ H; G( eMM26 dn ff gnd gnd nch l=0.18u W=2u
1 T7 O/ c' Y# V3 Y8 h1 EMM27 dn gg vdd vdd pch l=0.18u W=2u
4 x) a, g; P2 Q' M+ bMM28 dn gg gnd gnd nch l=0.18u W=2u
( K/ E! q# V- Q, b6 l" z0 n

.tran 10m 1000m
.print v(up)
: p# z9 g  k& A6 H- c, L.probe v(up)
.print v(dn)
.probe v(dn)
/ c: g9 T9 }$ P+ v+ \7 K
) i9 V9 j& g3 }% p% q
6 U* R3 W# ]( o- Q, j) @; _; c.OP
.END

上面為TSPC的程式碼

% ]7 k/ M! P/ [4 a( x拜託大家了