Allegro Constraint Compiler User Guide
Allegro Constraint Compiler
October 2019 20 Product Version 17.4-2019
© 1999-2019 All Rights Reserved.
Sample Object Table
Compiler Results
■ Selected net names: HD0, HD1, HD2, HD3, HD4, … HD31
■ Spacing Net Class HS-PORT_DATA that contains nets HD0, HD1, HD2, HD3, HD4,
… HD31 assigned to rule set HS_SPACE from the SPC rule specification. When imported
into Constraint Manager,
❑ Net Class name starts with prefix NC_
❑ Spacing CSet name starts with prefix SCS_
■ Differential pair HS-PORT_DP with members HSON(0) and HSOP(0) assigned to rule
set HS_DIFFP from the PHY rule specification. When imported into Constraint Manager,
❑ Differential pair name starts with the prefix DP_
❑ Physical CSet name starts with the prefix PCS_
Rule Specification Table
The Rule Specification table is used to capture Electrical, Physical and Spacing requirements
to create an associated Constraint Set in Constraint Manager. Physical and Spacing rules
