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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。1 B$ T; P" F3 L: }2 z. [; X
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:
0 J/ n+ M: L- _' ]# B& y# ~LISTING: 1 element(s)
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< DRC ERROR >
- S6 D3 s1 J$ W
/ ^' i% C' e9 \& n6 n Class: DRC ERROR CLASS
- ~% S7 i6 P, u' U! d* Q) j; s Subclass: ALL/ o# N. Q& o% l9 V5 [
Origin xy: (-772.35 1153.00)
8 ^3 T, S4 `' S/ a5 h! x Constraint: Net Schedule Topology% Z4 w V. \# k; C5 c- J
Constraint Set: ECS2( f* M3 u' C' j5 I; k7 t- ?) x
Constraint Type: NET ELECTRICAL CONSTRAINTS% U [/ t+ ?4 F8 s z
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Constraint value: VERIFY
i! [/ q3 U! G4 @1 b3 [' V Actual value: DOES NOT VERIFY( D# j+ X2 t/ `6 |- C$ V3 d1 K
& p `) W& c& L9 w! m+ H - - - - - - - - - - - - - - - - - - - -- w# X# J/ n* ?. k3 F" ]7 B3 z4 A
Element type: SYMBOL PIN
/ ^) d4 p# L6 N7 M* l% c( ]# Z Class: PIN+ Z8 X0 }: D" w
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PIN: C254.1
q; r9 S8 V* o# _ pinuse: UNSPEC
4 S/ O a% o3 ?) u( h: j location-xy: (-772.35 1153.00) " e7 O6 _7 E1 N
part of net name: DSCK#- b2 l8 c# W& z' K; W( d) z( L
- - - - - - - - - - - - - - - - - - - -
6 m: v$ T# U6 L8 K E Element type: RATSNEST TPOINT
* y2 f! d1 ]% r3 `7 T& V* x. P Class: DRC ERROR CLASS& E2 E* n# W% [' Q9 T6 H
Subclass: TOP
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2 u+ V. B/ Y7 B+ @ Name: DSCK#.T.10 x5 _; B7 `. A$ c) g1 j5 @8 o
& m# W1 z) | u z (-745.00 970.00)
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- - - - - - - - - - - - - - - - - - - -7 F7 a6 v9 x: v
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