|
最近在用HSPICE模擬PFD電路,& a' G5 A1 g- z9 a3 @
有試過用2個D型正反器的結構,
& Z1 ^! D" K( q0 b/ t0 F" s- o) C還有TSPC跟HT架構,
/ u4 A6 Y( t% s C2 E但跑出來的結果都不理想,甚至up跟dn完全就是錯的
7 w; D8 j4 |/ k" p! G! _: q. c- Z0 ?; R不知道問題出在哪裡?
" ]/ W& c% F+ x" ^; E: s( g* p( o
6 A! n. n1 X2 E I1 K***pfd***
; f _7 x0 |3 e5 W0 W( O% Z
( I) R8 O! T' @9 m9 M' c9 c0 h.protect
4 B5 l+ J' |+ ^; g" C.lib 'rf018.l' TT
9 p& c- F3 h# I' T: \# Z6 ^* H Y& H$ x L" k6 a2 h. c- Y
.unprotect
, U8 Z2 L3 @6 M( u( f8 N.option post
8 [) [* x6 g1 A9 d, h; n1 O" c- t$ X' P3 o3 `
# ]" ? J1 n7 _( g9 r/ T3 B$ Bvdd vdd 0 1.8& [4 j; B w! d0 S; L% d) z. x. y- f
v1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)8 @. U/ L H& o8 P& o& ~/ \
v2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)
$ H% k+ M7 y+ s; l2 b
9 d& M( f: @- R/ Z2 f! s
2 @& u3 \* k1 V* x- O/ |5 i** part1 **
1 a/ R. `1 o$ {( G7 H8 G H# CMM1 a clk1 vdd vdd pch l=0.18u W=2u0 [6 {) g3 i3 H* A# \
MM2 a clk2 b b nch l=0.18u W=2u
" [' {* a5 X+ o* GMM3 b clk1 gnd gnd nch l=0.18u W=2u' m4 R" o3 ]6 @# M$ L
MM4 c a vdd vdd pch l=0.18u W=2u
% ~* d5 M! y h2 Z8 vMM5 c clk1 d d nch l=0.18u W=2u3 t9 \" Q( w' ]0 v7 ?# q
MM6 d a gnd gnd nch l=0.18u W=2u0 p- h+ v; n5 |
MM7 f c vdd vdd pch l=0.18u W=2u9 o* B* k: a6 n' x
MM8 f clk1 e e nch l=0.18u W=2u
: e: G: S) \$ n1 z7 pMM9 e c gnd gnd nch l=0.18u W=2u
8 k" I$ g2 z8 |) YMM19 a dn gnd gnd nch l=0.18u W=2u
: }+ f0 a1 f1 `1 i, i) R# J3 h8 ~9 f
MM21 up f vdd vdd pch l=0.18u W=2u& }4 Y/ _: f) @9 _: J
MM22 up f gnd gnd nch l=0.18u W=2u
& J5 f: {( \% s t& \6 ?! }MM23 up g vdd vdd pch l=0.18u W=2u
2 C% f! H. J- S5 b" U$ J" a2 ~! YMM24 up g gnd gnd nch l=0.18u W=2u3 O& ~' b3 g0 B, z3 `: ^4 n; }
: _+ i/ i# I- }8 V5 O
+ C; B. @- R) [. V( X v9 u& X, }** part2 **, f/ g- R# s7 K. O6 s
MM10 aa clk2 vdd vdd pch l=0.18u W=2u
* P6 B* s* a+ X% r2 pMM11 aa clk1 bb bb nch l=0.18u W=2u, ^/ K: n( e7 V1 ^' y# u
MM12 bb clk2 gnd gnd nch l=0.18u W=2u
8 A9 z& z' Z3 E' a0 e" M& }6 @MM13 cc aa vdd vdd pch l=0.18u W=2u
- a- _! ?) o( \1 \8 r9 C, DMM14 cc clk2 dd dd nch l=0.18u W=2u8 S: D) _3 f& w$ Z+ b1 k1 Y
MM15 dd aa gnd gnd nch l=0.18u W=2u3 [" X4 h+ z7 l% K$ x3 A8 H
MM16 ff cc vdd vdd pch l=0.18u W=2u$ f$ M% b" N3 j7 o
MM17 ff clk2 ee ee nch l=0.18u W=2u
l2 Q4 U; H8 h% O' A8 BMM18 ee cc gnd gnd nch l=0.18u W=2u/ g/ r7 e0 c* |* Q: B
MM20 aa up gnd gnd nch l=0.18u W=2u
1 T0 W+ p2 X, t; |" r( K& r
( a. S* V% S- g5 x; r$ PMM25 dn ff vdd vdd pch l=0.18u W=2u
( i* L! U; [( L QMM26 dn ff gnd gnd nch l=0.18u W=2u
4 A! K. _$ ^- z4 Q: g5 Z6 BMM27 dn gg vdd vdd pch l=0.18u W=2u* |/ c% w8 v4 W" P) H; P
MM28 dn gg gnd gnd nch l=0.18u W=2u8 h3 B" s5 @) w! f4 e" k- M3 l
, Z, ]# _! d. I+ C: p1 e# \
& ?8 h0 P, a R. X' r
.tran 10m 1000m4 V% l0 D5 Z4 H4 \0 X) j
.print v(up)9 _# x6 A6 Z! j/ Z4 W
.probe v(up)0 z; z# z5 y: l) u! m0 X+ W6 o$ Q$ m
.print v(dn)
( ^9 v, _3 Z4 t2 r# L" i x: T4 \.probe v(dn)
% d* H. P7 S9 @" ^# X7 r1 l) \3 F7 L7 a# s4 y
4 p5 S8 r9 h) g% M Y2 J2 k' t.OP4 P$ m: l0 n% Q; z. v
.END
" n( p. i T. W. g7 }" \% k& d2 G, q5 T' d: V5 a4 U( y" i* I
上面為TSPC的程式碼 Q5 H7 R8 j \) ~, t
5 H7 d/ o& C5 i. _拜託大家了' ~* s/ J7 T1 x
|
|