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

horizontalOffset

routingGrids(
( horizontalOffset [tx_layer] f_offset )
…
) ;routingGrids

Sets the offset from the origin for the start of the vertical routing grid. A horizontal offset specified with a layer applies only to that layer. When specified without a layer, it sets the default for all layers not explicitly assigned a horizontal offset.

Values

tx_layer

The layer on which the constraint is applied.

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

f_offset

The offset from the origin for the vertical routing grid. The default value is 0.

Parameters

None

Example

The horizontal offset must be 1.2 for Metal3 and 1.5 for the rest of the layers.

routingGrids(
    ( horizontalOffset "Metal3" 1.2 )    
    ( horizontalOffset 1.5 )
) ;routingGrids

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