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各位好,
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新人向各位请教一个问题, 在使用SYSTEM SI 的提取POWER SI中PCB的S参数时,出现错误如下:
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****Signal Net Statistics for Net DDR_DQS3M*****
, Y9 Q5 V/ k( z5 W' M! z) f% K Total number of traces buried under pads : 2& a% x) ], I, w' T. F3 F2 {
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6 A8 m1 Z" r( M' V( A3 \, M2 h' V****Summary : Signal Net Statistics for the Design*****/ L; c& Y1 S/ u- D2 f- U7 v2 E
Total number of small shapes : 0! Y; N, C( Q- h1 Q
Total number of large shapes : 0
h4 m3 U* U: Z6 c% @- q Total number of traces buried under traces : 07 L" D4 O1 \' v. a9 I2 I% B9 J: {4 P6 g
Total number of traces buried under pads : 90' D* D O3 e4 p
Total number of traces overlapping along length : 0
1 Q6 G3 m3 r; i( Y: E4 b Total number of traces aligned along length : 3
$ w9 C. p& k8 f# c8 t5 `5 M Total number of traces with no reference : 0' W4 e z, }1 R$ Q0 S) Z! j
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请问 traces buried under pads和traces aligned along length 是什么意思啊?怎样才能消除错误?感激不尽!!!!!!!!
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