allegro constraints

sumoond

此文章是供ALLEGRO LAYOUT时候规则设计参考,是实际应用中归纳出来的设计规则.

【文件名】:07515@52RD_allegro constrains.pdf
【格　式】:pdf
【大　　?177K
【简　介】:
【目　录】:



Constraints
On line DRC on
Set standard values :
All etch : * line to line : * line to pads : * pad to pad : * line with : 4 mils
Etch on subclass : allowed same net DRC : of f
Extended design rules:
Spacing rule set:
Attach property, nets..
Set values:
Constrain set name: RF
Subclass: all etch
Global fields are used to set multiple constraints only : Global