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李明宗伟 发表于 2013-8-1 21:27 ![]()
/ T+ ?( z4 R5 \. s什么是显示长度，什么是实际长度啊
. o- V$ A6 Z+ p, r% j! Yshow 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! R( _2 g" [% l" j
; O! C& T9 R, i! Z, {: r C$ _
: y+ `+ V; M! k* d( g, C Net Name: XM1_DATA15; K6 }9 K' f* c& T# e" u
Member of Bus: XM1-D1
9 d9 x9 o- G6 W" N4 U) U! n% M4 u. k9 s" H! f! ]" h/ r5 g2 |$ X& a
Pin count: 21 _7 x# l! ]# @: ^( u
Via count: 4; \7 N7 f+ _; g y% b5 \1 }& R& _# l
Total etch length: 903.28 MIL
, U1 F5 a# D# c Total manhattan length: 430.73 MIL
; V8 o1 J9 A! g% T0 i H+ _ Percent manhattan: 209.71%
; _( ^) L2 E2 ]# h% c5 l+ F% X7 S5 c1 `, ^5 `& L% C6 _
Pin Type SigNoise Model Location) K9 a7 c5 I7 p* x9 M
--- ---- -------------- --------$ t/ i1 E( F/ P" j: y. `
U4.B9 UNSPEC (-1516.62 685.41)6 q" n# D6 v4 _* L
U1.C17 UNSPEC (-1184.58 784.10)
. \) |, x1 n- X$ V2 U3 g2 j, b _
) e, e1 s" j- `7 f' `: I No connections remaining2 F4 m5 L5 K: p# S G! P6 g" B, W
1 Z5 O* u ?! N( p Properties attached to net
5 `7 e* w, ?- U8 p- y6 f7 |$ Z BUS_NAME = XM1-D1
4 Z1 a# I- B5 ]8 o4 }8 f0 `6 I- V ELECTRICAL_CONSTRAINT_SET = XM1_DATA8/ a* L5 K0 o" d# x
" I+ H9 h0 {9 d) h
Electrical Constraints assigned to net XM1_DATA158 k: m( G# x/ M8 z5 [9 Y8 A
relative prop delay: global group XM1-D1 from U1.C17 to U4.B9 delta=0.00 MIL tol=20.00 MIL6 s7 ?" N! |8 `/ j( S
) P0 C+ M) E5 j U- E/ @
Constraint information:5 G3 V$ t, B& V Q: v4 J4 y( {
(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
# _4 L' J, y/ V% @- G6 O: M2 _ (-1184.58,784.10) pin U1.C17,UNSPEC,BOTTOM/BOTTOM( G; e) s" f7 t5 T& u! ^
(-1184.56,784.10) via GND07/BOTTOM9 ?2 x& \2 ^) Z+ V4 E, e/ V
18.13 MIL cline GND07
" J( ? Y4 _5 f (-1197.38,771.31) via GND02/GND07
# }+ }/ x# e2 S 639.6 MIL cline ART064 G* F3 C, e$ d
(-1368.74,567.43) via GND02/GND07 M) e: X' o' P& @$ _% w
30.94 MIL cline GND07! ?, h3 Z8 S0 h- I9 C
(-1393.13,581.82) via GND07/BOTTOM: O: r7 x, s8 t7 t4 _8 ^( n' q
214.59 MIL cline BOTTOM
8 O8 \. ]' t" l (-1516.62,685.41) pin U4.B9,UNSPEC,BOTTOM/BOTTOM,Zall=32 MIL, z9 y ]; H3 v! T: j# T
Member of Groups:
5 x) i' d+ O K- V+ Q) a- r BUS : XM1-D1
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发表于 2013-8-1 09:54
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发表于 2013-8-1 09:54
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