allowedWireTypes

spacings(
( allowedWireTypes tx_layer 
 (t_wireType …)
)

) ;spacings

(Virtuoso Advanced Node for Layout Only) Specifies valid wire types for a layer. As a result, only the specified wire types can be set for tracks on that layer. The default value is an empty string, which indicates that a wire type is not set for the tracks on the specified layer (all wire types are allowed).

Values

tx_layer	The layer on which the constraint is applied. Type: String (layer and purpose names) or Integer (layer number)
t_wireType	Allowed wire types. Type: A list of wire types, each enclosed in double quotes and separated by a space

Parameters

None

Example

Wire types 1X, 2X, and 3X can be set for tracks on layer Metal3.

spacings(
    ( allowedWireTypes "Metal3" 
     ("1X" "2X" "3X") 
 )
) ;spacings

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