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

maxFilling

spacings(
( maxFilling tx_layer
 f_spacing
)
) ;spacings

Specifies the maximum edge-to-edge space that can be filled between shapes on the specified layer. This constraint is typically used for wells or to fill notches.

Values

tx_layer

The layer on which the constraint is applied.

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

f_spacing

The space between shapes must be less than or equal to this value.

Parameters

None

Example

Fill is allowed if the spacing between shapes on Metal3 is less than or equal to 1.5.

spacings(
    ( maxFilling "Metal3" 
     1.5
)
) ;spacings

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