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試試 Net 指令: G8 l8 H6 Z7 @* y# z- U
Layer operation
8 \+ W. Y/ U' k+ g, ZNET layer name [… name]0 P1 f7 m- D q( x+ I4 ?, r
Parameters1 K) p: U( H$ G7 e; x* L7 S
• layer/ f0 g& q) _) @9 n7 d# i. f
A required original layer or layer set, or a derived polygon layer., y5 ] C6 @; H% X
• name; q& w1 ^$ G$ P$ m4 x
A required name of a net, which can contain one or more question mark (?) characters. The
4 k: y1 m6 V* t- E! @? is a wildcard character that matches zero or more characters. You can specify name any v' A4 B* O" {
number of times in one statement. The name can be a string variable (see Variable).9 s- q* O# S- t1 T0 Y- v; _
Description
& ^$ k/ ~7 j7 SSelects all layer polygons that belong to the net having the specified name. To avoid ambiguity,+ S' {7 y4 ]3 x6 c5 Z& [
you must use the parameters in layer name order.3 ]2 f$ F" f1 Y( Y1 ?& K4 c; U
Note5 c# v* V5 x9 {7 W
Do not use this operation to obtain net shorting information. The Net operation uses net
/ K. m' n' i( S# enames assigned by the connectivity extractor. If the connectivity extractor encounters( Z+ o' \7 A5 g" ~
shorted nets, it assumes it has found a single net, and assigns it one name.9 q7 m4 |2 L9 n, `) \2 @9 w
The connectivity on layer must be established through a connectivity operation./ L: B! q2 [, O7 F3 t& g7 l Z
See also Not Net, Net Area, Connect, Sconnect, and Stamp.
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METAL_SP {/ c" N4 [; p9 n9 r* u5 N
@ VDD metal must be spaced at 4.5 microns
# J* T3 Z, Z* X- S N& |. }@ VCC metal must be spaced at 4 microns
3 @! O D* z" bvdd_metal = metal net vdd
3 l/ b/ k( t7 i7 \& g! jvcc_metal = metal net vcc
5 q4 k5 w5 W$ `5 H. k. G$ y8 Y. s& f+ Vexternal vdd_metal < 4.5
y U8 U6 f/ v" Y% F2 \external vcc_metal < 4.0 |
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