Product Documentation
Virtuoso Technology Data Constraints Reference
Product Version IC23.1, November 2023

maxNumCorners

spacings(
( maxNumCorners tx_layer
 ['allCorner | 'concaveCorner | 'convexCorner]
 x_count
) ;spacings

(Virtuoso Advanced Node for Layout Standard) Specifies the maximum number of corners allowed in an island.

Values

tx_layer

The layer on which the constraint is applied.

Type: String (layer and purpose names) or Integer (layer number)

x_count

The maximum number of corners allowed.

Parameters

'allCorner | 'concaveCorner | 'convexCorner

The constraint applies to corners of this type.

Examples

The maximum number of concave corners allowed in a Metal1 island is 43.

spacings(
    ( maxNumCorners "Metal1" 
     'concaveCorner 
43
)
) ;spacings

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