Cadence PCB Best Practices

Constraint Compiler User Guide

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Allegro Constraint Compiler User Guide Allegro Constraint Compiler October 2019 26 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. Column Header Description Sample Object Rule Table (Class to Class Rules) Compiler Results ■ Spacing for the group of nets in Type BYTE gets checked to all other nets using rule set 30 mil from the HS_SPACE rule specification ■ Spacing for nets contained in Type BYTE (Intra-Group) gets checked to each other using rule set 6 mil from the HS_SPACE rule specification ■ Spacing for a group in Type BYTE gets checked to other Type BYTE groups using rule set 15 mil from the HS_SPACE rule specification ■ Spacing for each group in Type BYTE gets checked to Type ADDR groups using rule Set 25 mil from the HS_SPACE rule specification ■ Rule columns can also reference existing CSets SpacingCSet:

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