minExtensionOnLongSide

Specifies the minimum extension for a layer1 shape past the long side edge of a layer2 shape. This constraint may not apply to all layer1 or layer2 widths. Two parameters indicate the set of width ranges for each layer when the constraint applies. This constraint applies to rectangular shapes only. Non-rectangular shapes are ignored. This constraint is not symmetric.

minExtensionOnLongSide Quick Reference

Constraint Type	Layer pair
Value Types	`Value`
Database Types	Design, Technology
Scope	design, foundry
Category	Extension

Value Type

Value

Represents the minimum long side extension, in user units.

Optional Parameters

widthRangeArray

Specifies that the constraint applies only if the layer1 width is in one of the ranges.

Type: RangeArrayValue

otherWidthRangeArray

Specifies that the constraint applies only if the layer2 width is in one of the ranges.

Type: RangeArrayValue

Examples

The following example specifies that Metal1 shapes must extend at least 0.15 past the long side edge of Metal2 shapes.

set_layerpair_constraint -constraint minExtensionOnLongSide \
-layer1 Metal1 -layer2 Metal2 -Value 1.5

Illustration for minExtensionOnLongSide

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