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一个DDR时钟差分线设置为T型走线,但是连上线后,出现DRC错误。
4 H0 _, ^; {# i; M4 A请教一下,是哪里出错了呢,正确的走线方式又是怎么样的呢?
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错误如下:2 ~/ u" H8 ^; N) L) U: C% R6 X
LISTING: 1 element(s)
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< DRC ERROR >. e5 I+ I1 F( M% Y; f
, Q3 ^: @8 \0 s0 n6 @; H Class: DRC ERROR CLASS2 }4 {: R \ e9 t
Subclass: ALL2 t6 d: H* p' T5 A. S; |! m. v
Origin xy: (-772.35 1153.00)) `) H: j& v, B
Constraint: Net Schedule Topology) O. A0 Z. G( K. \$ ^* v4 V6 I
Constraint Set: ECS2
+ z* a/ L8 Q* S& E1 Z Constraint Type: NET ELECTRICAL CONSTRAINTS; u$ X8 @! V6 I! B3 y# N$ ^
2 }. D2 u! ?. i7 n, O Constraint value: VERIFY
& t4 m4 ]; t! R, m! ^. A* I Actual value: DOES NOT VERIFY
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- - - - - - - - - - - - - - - - - - - -& F- S: F5 C' Z1 a7 o
Element type: SYMBOL PIN7 \0 p# k5 l$ @+ m+ P8 s1 Y# o; T# o
Class: PIN% G- W( f4 _4 G' H5 T5 q
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PIN: C254.1
0 U# H0 ^2 l& c. t5 | pinuse: UNSPEC
8 E1 z/ E& c* @, r2 I9 q location-xy: (-772.35 1153.00) + z: p9 t8 J* {" ]# v
part of net name: DSCK#. L+ z# T2 P0 g2 |- |
- - - - - - - - - - - - - - - - - - - -
( ~5 ?# ?8 y$ g! }, w4 P Element type: RATSNEST TPOINT
; b1 L% I7 M9 D1 o& w Class: DRC ERROR CLASS
/ q6 ?; x& I0 \ Subclass: TOP
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Name: DSCK#.T.1
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(-745.00 970.00)- U4 g$ @0 P b
, \& E! G- D2 Y5 W$ D: w - - - - - - - - - - - - - - - - - - - -: o3 \# O2 Q+ J# S. I! `
5 I# G T" ?8 d! W! N! B7 P; g5 u! Y
/ q, U, B% E! X
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