Product Documentation
Virtuoso Space-based Router Constraint Reference
Product Version IC23.1, June 2023

lengthPatternAccordion

Determines whether accordion patterns can be used to lengthen wires for matched length routing.

lengthPatternAccordion Quick Reference

Constraint Type

Simple

Value Types

BoolValue

Database Types

Design, Technology

Scope

design, foundry

Category

Mixed Signal Routing

Value Type

BoolValue

Specifies whether accordion patterns can be used to lengthen wires. By default, all elongation methods can be used.

Examples

Prevents accordion patterns from being used to lengthen wires.

set_constraint -constraint lengthPatternAccordion -BoolValue false

Related Topics

Mixed-Signal Routing Constraints


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