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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。9 t1 M; f, c2 L. \8 Q/ J) I
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?1 Q+ a- }# @/ \1 Q. j5 Y. s4 I
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错误如下:1 c$ l5 u* \; ^+ j2 X
LISTING: 1 element(s)3 N5 {3 s# _$ I8 |3 h
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< DRC ERROR >/ x( W- o5 q/ |+ h7 g$ e
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Class: DRC ERROR CLASS- x, r9 _" o% C- z3 V
Subclass: ALL
4 w8 U) @0 Z* C) a Origin xy: (-772.35 1153.00), K# J* M6 b$ ]6 X
Constraint: Net Schedule Topology
* H5 A0 a& J- d* Q/ D7 y9 r Constraint Set: ECS2
0 D+ K( v; J6 _7 _' N6 D Constraint Type: NET ELECTRICAL CONSTRAINTS$ V* V3 E/ A( _6 S0 c
1 e2 G3 L; W: W0 @# R8 w Constraint value: VERIFY
3 C6 v$ f, t3 i- q+ W Actual value: DOES NOT VERIFY' c( x( r6 ^/ r/ i" U4 |8 }
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- - - - - - - - - - - - - - - - - - - -
8 q/ m+ \( \* k" t8 C( } Element type: SYMBOL PIN
9 ~7 g, j! k$ t7 l5 N V, U Class: PIN
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9 h' ?+ j# i6 y PIN: C254.1
# S# A: S' c* ~; v& Y pinuse: UNSPEC. |7 L8 f! i8 ]. g6 Z
location-xy: (-772.35 1153.00) 6 O5 r% U) n9 A. S. J
part of net name: DSCK#' P% A. X9 B8 e& a5 m( x( i* }( \
- - - - - - - - - - - - - - - - - - - -
- |# G& N3 [1 c5 {! i2 u' w* P Element type: RATSNEST TPOINT
7 a0 c N; w' }1 l: }2 ^9 y Class: DRC ERROR CLASS
% U: W5 Z' }0 ^& Q/ b& P Subclass: TOP+ D7 g3 x( ~+ }( O8 ~; q
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Name: DSCK#.T.1
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(-745.00 970.00)* q; c( M& x4 p9 l' y/ O
! X+ S! h2 v. c- l+ m8 U3 S6 Q - - - - - - - - - - - - - - - - - - - -
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