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layer 3 电源层走了两对模拟差分线。通过在走线上打通孔和layer 4的电容连接。但是在verify design/connectivity中，有如下错误。看起来pads不认为通孔和走线有连接关系。请问在电源层中该如何处理这两对网络？如何把通孔和走线combine在一些？
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`7 o" N x" ]7 \Isolated subnets for: MIC_P; s2 [6 ?9 Y# y: M! e0 i8 X( Y
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*** subnet # 15 d' N( D2 \) [% ^7 h% S/ t
C8.1 VIA(746.31,200.61 L1)
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*** subnet # 2% O$ z' H: F) j4 b' x1 V
C9.1 VIA(654.5,200.23 L1)
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; X* S& i3 {: h. b0 H*** subnet # 30 V* ]' X* r- q- |
C11.2 VIA(375.38,199.87 L1)# V, o8 @: X( T4 d: P
$ J2 X K# Q( M+ w
*** subnet # 4
5 I1 L, W6 y) X& v% V5 w6 {/ h8 F C10.2 VIA(285.46,200.63 L1)7 ~; k& N2 h% R" {9 ?* m+ n
' l0 \8 y; a+ x) n*** subnet # 5* B$ ?) z2 r& ^( n! J0 m$ M. x- @
U9.4 VIA(217.81,199.89 L1)
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*** subnet # 6& T; }4 N7 f" k0 c3 g& I4 p
U1.21 U8.1 VIA(962.41,298.17 L1)
1 J6 b Y* V+ g: ^" U+ |6 g" J/ r2 g, G' N4 i9 y+ [- h( z6 {
5 P. H. Q' K8 f$ [! l4 z+ H6 p3 f
Isolated subnets for: MIC_N
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*** subnet # 1
- w7 b% F; r2 t! h; e VIA(745.93,162.08 L1) C8.2# X7 X: E- P# Q. @; Z
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*** subnet # 2
* W6 [6 z- M$ O9 Z. S, E; }6 a) T C13.1 VIA(560.05,162.08 L1)3 G/ i* o5 w- ?3 W
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*** subnet # 3
$ o$ O7 @5 h H8 l$ I+ i6 g C12.1 VIA(468.62,162.08 L1)
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*** subnet # 4! G: {" }+ g7 i& w
VIA(217.81,162.11 L1) U9.5
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2 G! \- [& o4 s3 ^7 { a* t*** subnet # 5
8 {* W/ h' h+ W; L1 P, T C9.2 VIA(654.5,161.7 L1)) l' W0 }- r9 X: F& i. a# Z8 y$ l
C0 a2 m/ u% K; T
*** subnet # 6
1 R& `+ x u2 i/ e4 L: u U1.20 U8.2 VIA(989.28,271.3 L1)9 a# [5 B. a! D! F* U! ]" b
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3 S5 {- F# M9 m$ yIsolated subnets for: SPK_P2 D; h* @% U* ?" E; S: C
5 X4 d; v0 e+ ?/ \0 }. @*** subnet # 1# u. P/ B9 i6 w
C3.1 VIA(1598.36,416.91 L1)
3 e6 x; t1 o- R) m3 j
. p: ]4 e% O2 ?*** subnet # 2
! h6 {$ U- \. b; A# v+ M C2.1 VIA(1693.89,416.67 L1)% A* w8 F$ F- f, Y% q; X
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*** subnet # 30 b8 Z, `+ ~, G2 q6 k
C5.2 VIA(1961.57,416.66 L1)
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*** subnet # 41 |' T- x. w" r% f9 E
VIA(2052.77,416.66 L1) C4.2' \8 L% T! v+ ? V( j
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*** subnet # 5
5 X6 l1 l. A: l0 g U5.4 VIA(2197.72,416.95 L1)
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% E7 W/ ~: F4 K*** subnet # 6
) f( a6 p z V* n1 [/ { U1.23 U4.1 VIA(1304.63,334.82 L1)5 a& _$ T0 R& n$ k7 }. X( s
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Isolated subnets for: SPK_N+ z$ } L9 g7 ?+ s
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*** subnet # 19 C8 j7 A) d) L; Z; G# q
VIA(1786.78,379.07 L1) C7.1/ |4 y+ S" y2 A, m( J
4 B0 E+ }2 r. |/ w) g*** subnet # 2" ~) p7 {0 j/ e# C7 a
VIA(1877.08,378.32 L1) C6.13 [* A; b [+ L* b3 f- J- Z
) Z. r. W/ Z0 S( n3 q*** subnet # 3* ~' O }/ N3 q% w2 g( @
VIA(2197.48,378.69 L1) U5.5
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*** subnet # 47 J7 Q' s& L! I, G
C3.2 VIA(1598.6,378.41 L1)
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' i6 V3 ]# p/ U) U N" ~; v& n*** subnet # 54 c+ V2 z0 o6 x; v: Q
C2.2 VIA(1693.41,378.41 L1)
2 {* N3 ?. d* _8 U8 q# ~
! w' p; G2 r* x0 ~ s; w1 Z*** subnet # 62 T* {- z# R& o; `3 M
U1.24 U4.2 VIA(1331.5,307.95 L1) |
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发表于 2009-12-5 14:33
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淘帖
支持！
反对！
楼主