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最近在用HSPICE模擬PFD電路,
. N; |4 X8 a+ H有試過用2個D型正反器的結構,' V9 J/ K& ?9 v/ ~/ e! w; e9 B
還有TSPC跟HT架構,3 V+ ]9 P' p- T; ^3 [. T8 c
但跑出來的結果都不理想,甚至up跟dn完全就是錯的
* C- o* m( O1 l* C- ]不知道問題出在哪裡?
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) d8 I; r& [% F***pfd***
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.protect$ ]6 D9 e4 _0 ?2 I6 Q2 h6 P; ~ y: ~
.lib 'rf018.l' TT# I1 G" u2 k( b; L+ g
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.unprotect
) j x1 O( n# k3 g6 l.option post' B2 R5 F9 W2 v+ K2 K8 L4 {; L; E
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vdd vdd 0 1.88 t/ ~( U: h* y) b, y
v1 clk1 gnd pulse(0 1.8 1m 0.1m 0.1m 1.5m 2.5m)
0 \& J3 q" l& j7 u9 `7 Kv2 clk2 gnd pulse(0 1.8 1.5m 0.1m 0.1m 1.5m 2.5m)
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8 K) _( g. K2 x; ~6 x** part1 **4 O" ?. n1 P5 O2 r* K; L
MM1 a clk1 vdd vdd pch l=0.18u W=2u8 C- q2 F3 Z8 M/ d, P
MM2 a clk2 b b nch l=0.18u W=2u2 e% Z9 b' k0 \
MM3 b clk1 gnd gnd nch l=0.18u W=2u
- _3 z, `0 z& C' s9 J. B) }MM4 c a vdd vdd pch l=0.18u W=2u! H D5 |) n8 y0 O* `
MM5 c clk1 d d nch l=0.18u W=2u. K8 F3 B+ S" D0 P
MM6 d a gnd gnd nch l=0.18u W=2u
/ c, C/ U3 |1 o' m8 H" q+ {, r- n& BMM7 f c vdd vdd pch l=0.18u W=2u
$ g D5 {0 f/ p; L6 b- CMM8 f clk1 e e nch l=0.18u W=2u
$ m: J8 {( N9 U# u9 P2 {0 z4 u* ~6 GMM9 e c gnd gnd nch l=0.18u W=2u/ o' ~. O& r# ]: H$ Z' v4 I
MM19 a dn gnd gnd nch l=0.18u W=2u6 v+ f! \6 T- P4 d
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MM21 up f vdd vdd pch l=0.18u W=2u
* s% _$ y0 U/ zMM22 up f gnd gnd nch l=0.18u W=2u
- j/ {- Y, o- \* gMM23 up g vdd vdd pch l=0.18u W=2u
# h) h7 k2 Z9 [/ _MM24 up g gnd gnd nch l=0.18u W=2u- |* X' D+ h) V2 R4 D. p
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** part2 **
) D. L* g: D1 n' H0 UMM10 aa clk2 vdd vdd pch l=0.18u W=2u
. {, k; Z7 Q9 c' o9 a$ }MM11 aa clk1 bb bb nch l=0.18u W=2u" ]% R# `9 U8 i* P! M
MM12 bb clk2 gnd gnd nch l=0.18u W=2u
1 [9 b: z; f0 Z2 @7 h( eMM13 cc aa vdd vdd pch l=0.18u W=2u
8 u% Y2 Q3 X3 ~' V8 W: t/ qMM14 cc clk2 dd dd nch l=0.18u W=2u3 l) w) x( f" Y- n3 ~0 S* L
MM15 dd aa gnd gnd nch l=0.18u W=2u d+ s, A. M# W5 p% y7 U
MM16 ff cc vdd vdd pch l=0.18u W=2u
, F9 O3 s# ]: _0 s9 m/ gMM17 ff clk2 ee ee nch l=0.18u W=2u3 D* I1 f7 ?# \, u
MM18 ee cc gnd gnd nch l=0.18u W=2u
: w: m8 i) q3 t, L7 @2 l6 K9 Z* fMM20 aa up gnd gnd nch l=0.18u W=2u
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MM25 dn ff vdd vdd pch l=0.18u W=2u
$ Z4 v/ u! h, P/ r6 P+ cMM26 dn ff gnd gnd nch l=0.18u W=2u( p. U" n! Q* O3 M7 |
MM27 dn gg vdd vdd pch l=0.18u W=2u
9 B, A" r: o) u8 x- uMM28 dn gg gnd gnd nch l=0.18u W=2u
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. u8 e# E" C* ?.tran 10m 1000m- L" R" Q+ Q4 O) C4 m0 l* A
.print v(up)
8 E: m o$ J( d& T.probe v(up)! C1 [6 C+ n, A' `8 r
.print v(dn)
7 B7 p. g9 _) g.probe v(dn)
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.OP
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* g! s4 {4 Z6 B% y上面為TSPC的程式碼0 Y; j( L. d7 \# G4 I* M5 s
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拜託大家了) p3 F3 ^; c7 Z2 d: t) ?" N* O0 p
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