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李明宗伟 发表于 2013-8-1 21:27
9 ~# s* v2 V/ c3 B& c5 h$ z( `什么是显示长度,什么是实际长度啊
( r& E5 ^" H' Z1 c0 r, s7 cshow net 的时候显示如下,为什么会出现BOTTOM/BOTTOM,Zall=32 MIL,不知道哪边设置错了 n% W0 U' g1 k B' i. i$ k5 X' U
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& ~& \: [! q6 g$ y Net Name: XM1_DATA154 O4 e, X& E9 j' q
Member of Bus: XM1-D1( O) }& @6 s+ p1 S' G" u& I
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Pin count: 2
6 _$ {! N0 n: M" ]6 X) _ Via count: 4" t+ P ?3 ]7 F. Q$ S3 |
Total etch length: 903.28 MIL , l9 r/ S+ m* Y! \* n! ]6 G% x
Total manhattan length: 430.73 MIL$ {& z F2 [$ S
Percent manhattan: 209.71%
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- b* k' n" s1 w Pin Type SigNoise Model Location
, d$ @$ Q5 @$ u9 m --- ---- -------------- --------
6 `) U% R- N# a U4.B9 UNSPEC (-1516.62 685.41)% ~& X( N: T4 \/ ~- G" u+ T0 x- K
U1.C17 UNSPEC (-1184.58 784.10)
. U; R1 K0 K* i u! O$ R# ?" o* `( R, X' R; F- a: { b6 O' N
No connections remaining+ F3 N# }2 O6 L* H# O2 @' E
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Properties attached to net
2 Q# D4 A4 l1 j% V+ [ BUS_NAME = XM1-D19 ~! m3 V! i+ K$ j# f
ELECTRICAL_CONSTRAINT_SET = XM1_DATA8
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Electrical Constraints assigned to net XM1_DATA156 n! r& T& H; q2 D7 }7 z) W
relative prop delay: global group XM1-D1 from U1.C17 to U4.B9 delta=0.00 MIL tol=20.00 MIL
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: h4 C- Z1 M- [ Constraint information:3 C# Z; e) M, _- {5 @
(RDly) U1.C17 to U4.B9 min= 919.3 MIL max= 959.3 MIL actual= 935.28 MIL target= (XM1_DATA12) U1.C18 to U4.D1) J! L( S& H; p4 _ q: l4 d" A1 X
(-1184.58,784.10) pin U1.C17,UNSPEC,BOTTOM/BOTTOM
1 r4 N' _' s7 `, } (-1184.56,784.10) via GND07/BOTTOM& S. c* k4 ?% @/ y& y
18.13 MIL cline GND07
1 c+ \4 q& G/ D. s (-1197.38,771.31) via GND02/GND07
/ i* N2 j1 L' y: z# t. a 639.6 MIL cline ART06
7 o( V; O) R2 n' Z/ l+ S" q (-1368.74,567.43) via GND02/GND07
& `$ _; r4 }: ]' v* J 30.94 MIL cline GND07
. L }: S) G# p, o; H4 Z (-1393.13,581.82) via GND07/BOTTOM
I0 C4 u3 J# U( i/ O 214.59 MIL cline BOTTOM: Z2 }+ [" ~3 K, V; v8 a) W+ H
(-1516.62,685.41) pin U4.B9,UNSPEC,BOTTOM/BOTTOM,Zall=32 MIL
6 J( |& ~2 s' t0 F% ^ Member of Groups:
: E1 Z% }/ H' L3 Y( E- C BUS : XM1-D1& k; l9 A( D" d
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