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TERMINATION VIOLATIONS --------------------------------------------* A2 a9 S6 G2 K$ n* y6 S
** Warning(Severe) ** / o# N+ q- a; d
Net too long!/ [/ N8 f" l, c( g6 p O+ m" g
found length ............ 005.144 in& N! t! m! i- x7 r2 G
max. recommended length . 002.223 in: g3 y7 A% f7 d1 n3 Y. k6 x6 L
$ d) Q0 O* o% h Z2 [% t
SIGNAL-INTEGRITY STATISTICS ---------------------------------------5 ^' C4 Q* w+ N) U- w, `: V/ y
total receiver capacitance ... 10.9 pF; k( I" N) D4 c/ T* c+ S) d3 w
effective net Z0 ............. 34.6 ohms
' \8 b8 Q# H; O9 l' A- }# N8 O termination type ............. No termination found
0 l7 U* ?' P, M ** Warning **
+ ]1 @: @% N* [1 ?! `% q: a0 R Net is source-terminated by driver impedance.
/ O. G7 n! U: b) L7 G- s Wide driver impedance tolerance may hinder termination.# P$ N4 ]3 ?: J* ]
1 _6 V( f/ c; v- R# @0 t第一个warning中 max. recommended length . 002.223 in 是怎么得到的？
/ T7 x, d" z* g& y, h% B( [第二个warning是什么意思？ |
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发表于 2010-3-30 16:44
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淘帖
支持！
反对！