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試試 Net 指令6 _: @! |* B1 a9 Q* ]4 z! U6 A2 ]
Layer operation0 j+ m8 @$ O8 M) {
NET layer name [… name]
" k+ q- M5 L9 T5 n9 K+ }Parameters {' E" n" _ b: s" p( j
• layer
. a8 d3 f% Z! x! R5 S6 RA required original layer or layer set, or a derived polygon layer.* l6 O! c& E/ u* _9 C' v
• name- f- G( ]9 B/ o7 s, x1 S/ C9 I0 n' ~
A required name of a net, which can contain one or more question mark (?) characters. The
# o% k4 v: \; p9 L: A$ b$ _? is a wildcard character that matches zero or more characters. You can specify name any8 @* \: x# j/ D1 y6 V& H" [
number of times in one statement. The name can be a string variable (see Variable).
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Selects all layer polygons that belong to the net having the specified name. To avoid ambiguity,' b* d, C" k% O3 F5 e- A+ v
you must use the parameters in layer name order.9 `9 `" d4 w* y; x& s, j
Note: p7 f& }5 w- ]( T( p$ c
Do not use this operation to obtain net shorting information. The Net operation uses net
% \2 H3 C( _) R( [' Wnames assigned by the connectivity extractor. If the connectivity extractor encounters% ]5 d! m0 l7 U9 N
shorted nets, it assumes it has found a single net, and assigns it one name.
- a, A5 G$ Z( x6 yThe connectivity on layer must be established through a connectivity operation.
* o N0 [- J" |( LSee also Not Net, Net Area, Connect, Sconnect, and Stamp.2 p# Q0 ~. ^- c Q7 {, c, ]5 {
Examples" e- G) P1 o6 U/ a \9 `
METAL_SP {4 \" h& E1 i0 j9 y u
@ VDD metal must be spaced at 4.5 microns& T! m1 P, L4 Z6 V
@ VCC metal must be spaced at 4 microns# T. E3 S3 }* e4 g* C
vdd_metal = metal net vdd1 L+ a; h$ _9 H3 S
vcc_metal = metal net vcc* x! f4 ]+ k5 ^7 A
external vdd_metal < 4.5
7 x! A$ ~0 g4 m6 wexternal vcc_metal < 4.0 |
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