Allegro Constraint Compiler: Workshop
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Column Header Descriptions
Rule
Specificatio
n Type
Rule, PhysicalRule, SpacingRule or ElectricalRule (Cell A1)
Layer Type
or Layer
Index
Layer Type = Conductor or Plane or Generic Layer Name "Conductor/External"
Layer Index = Layer Number
Rule=
Rule Set name referenced in other tables Rule Specification Name:Rule Set Name
or Rule Specification Name.
Removing Rule Name (blank cell) will place all constraints in one Rule Set name
based on the Rule Specification name
Multiple Rule Specifications or Constraint Sets from different domains can be listed
separated by a semicolon ";"
Constraint
Name
Constraint Attribute name (MIN_LINE_WIDTH, LINE_TO_LINE_SPACING,
MAX_VIA_COUNT)
Note: Hovering over the header in Constraint Manager will report the Constraint
Attribute name in the Datatip.
Note: Custom Keyword mapping defined in the Directive Global section of
CDS_ACC_DIRECTIVES.CSV (Cadence Default) or ACC_DIRECTIVES.CSV (User
Defined)
Rule Specification Table (Rule Sets) Examples:
PhysicalR
ule
MY_PHY_RUL
ES
Revision 1
Units mil
Created by Cadence
Header Layer Type Rule=CSET1 Rule=CSET2
Width:Min Line Width:Neck Width:Min Line Width:Neck
Data Conductor 6 4 10
8
Plane 12 6 15
10
End
