Calculation Modes for Via Parameters

You can set the calculation mode for via parameters by using the Via Parameters Calculation Mode option in the Layout Editor Options form. You can set the calculation mode to any of the following:

• Min Rules & ViaDef: For all the via parameter fields, such as the number of cut rows and columns, and cut sizes, the minimum rule or the viaDef default values, whichever is greater, are used.
• Minimum Rules: For all the via parameter fields, only the minimum rules, such as minWidth and minSpacing, are used.
• ViaDef Defaults: For all the via parameter fields, viaDef defaults are used.

Supported Via Parameters

The following table lists the parameters supported by the via engine for customVia. The cutPattern parameter is supported for custom Pcell vias.

row	column
w	l
xCutSpacing	yCutSpacing
xPitch	yPitch
xBias	yBias
layer1XDefOverride	layer1YDefOverride
layer2XDefOverride	layer2YDefOverride
layer1XEnclosure	layer1YEnclosure
layer2XEnclosure	layer2YEnclosure
layer1Direction	layer2Direction

The following table lists the parameters supported by the via engine for cdsVia.

row	column
cutLayerW	cutLayerL
xCutSpacing	yCutSpacing
layer1XDefOverride	layer1YDefOverride
layer2XDefOverride	layer2YDefOverride
layer1XEnclosure	layer1YEnclosure
layer2XEnclosure	layer2YEnclosure
layer1Direction	layer2Direction
origin

Related Topics

Setting the Technology to Create Vias

viaEngineContext User Type

Supported Constraints

Via Creation

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