hspice PFD求助

Chiehlee

最近在用HSPICE模擬PFD電路,
0 m. _1 j  t& K& `8 L  y有試過用2個D型正反器的結構,
6 t$ Y3 ]7 h% e- D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
/ ~2 Z1 V# P+ M8 R5 C不知道問題出在哪裡?

" i1 ~  f* R9 C: h1 L5 Y2 n***pfd***
, G3 A9 ~; @. R3 X* `( m
.protect
.lib 'rf018.l' TT
0 q2 T7 m% M1 I3 Q7 u- l" o
5 Z! ^: P: g. f8 Q6 _1 d2 Q0 U( x.unprotect
.option post
/ m9 l! y  {! O, |0 l' p* P' L1 z

& X& e8 k* u/ w0 w. rvdd 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)
+ ~! y  ?5 I" [5 @" C2 i2 f3 X  o

: n- P  R+ T0 W* {** part1 **
! p! T( O" Y" O, I5 W) Q$ d9 IMM1 a clk1 vdd vdd pch l=0.18u W=2u
MM2 a clk2 b b nch l=0.18u W=2u
, r- m& _0 I) I7 a8 R* v) E( Y, ZMM3 b clk1 gnd gnd nch l=0.18u W=2u
MM4 c a vdd vdd pch l=0.18u W=2u
* M" m5 @6 O0 sMM5 c clk1 d d nch l=0.18u W=2u
MM6 d a gnd gnd nch l=0.18u W=2u
# F! o4 {8 s1 z, {2 ]MM7 f c vdd vdd pch l=0.18u W=2u
MM8 f clk1 e e nch l=0.18u W=2u
9 o/ C5 G7 z* w( w( {MM9 e c gnd gnd nch l=0.18u W=2u
MM19 a dn gnd gnd nch l=0.18u W=2u
& C2 D2 y' i0 p
MM21 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
3 B2 }7 |  V) Q( Q% }; t3 z* I6 V# z

( ^* B0 [  p/ e% n+ e; Y) K** part2 **
1 ?. Z1 [+ O- C. r* j- r+ ^MM10 aa clk2 vdd vdd pch l=0.18u W=2u
2 v8 A1 P5 D' e, Q. }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
MM14 cc clk2 dd dd nch l=0.18u W=2u
MM15 dd aa gnd gnd nch l=0.18u W=2u
! b3 [  V. @6 @# eMM16 ff cc vdd vdd pch l=0.18u W=2u
MM17 ff clk2 ee ee nch l=0.18u W=2u
MM18 ee cc gnd gnd nch l=0.18u W=2u
MM20 aa up gnd gnd nch l=0.18u W=2u
( t6 @. o& i1 m
MM25 dn ff vdd vdd pch l=0.18u W=2u
" d3 x7 z- W( d9 W+ d( wMM26 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
  o  n9 S' F7 c: ?- {

.tran 10m 1000m
.print v(up)
.probe v(up)
3 I2 M+ @$ J4 V0 x  Z' I.print v(dn)
+ m' D, l6 m9 e9 L" c! G.probe v(dn)
0 e# k; O5 s9 e

.OP
.END

) b8 w  t0 N- W- H+ C上面為TSPC的程式碼
: V4 ]) }+ g. C2 r
拜託大家了
8 V! w' W1 V. j' x" l9 w1 ?