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

excludeLPPs

interconnect(
( excludeLPPs (t_layer t_purpose) … )
) ;interconnect

Excludes the specified layer-purpose pairs from consideration. A layer-purpose pair is excluded even if that layer-purpose pair is listed in validLayers.

Values

t_layer t_purpose

  

Layer-purpose pair to be excluded.

Type: A set of valid layer-purpose pairs, each pair enclosed in parentheses and separated by a space

Parameters

None

Example

For layers M0, M1, M2, and M3, all layer-purpose pairs with purpose "drawing", "vdd", "vss", "test1", and "test2" are included in connectivity extraction, except layer-purpose pairs "M0, test1" and "M1, test2".

("virtuosoDefaultExtractorSetup" nil
    interconnect(
     ( validLayers ("M0" "M1" "M2" "M3") )
( validPurposes 'include ("drawing" "vdd" "vss" "test1" "test2") )
( excludeLPPs ("M0" "test1") ("M1" "test2") )
) ;interconnect
) ;virtuosoDefaultExtractorSetup

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