Product Documentation
Virtuoso Space-based Router Command Reference
Product Version IC23.1, September 2023

set_via_stackability

set_via_stackability 
-via s_viaName 
-up {true|false} 
-down {true|false} 
[ -tech_lib s_techName ] 
[ -bottom_of_stack [ true | false ] ] 
[ -top_of_stack [ true | false ] ]

Description

Sets the direction that the specified via can be stacked. By default, vias can be stacked both upward and downward.

Arguments

-bottom_of_stack [ true | false ]

  

Sets the bottomOfStack attribute on the via.

-down {true|false}

Specifies whether the via can be stacked downward.

-tech_lib s_techName

Specifies the technology library for the via.

-top_of_stack [ true | false ]

  

Sets the topOfStack attribute on the via.

-up {true|false}

Specifies whether the via can be stacked upward.

-via s_viaName

Specifies the via.

Examples

The following example enables only upward stackability for via M6_M5.

set_via_stackability -via M6_M5 -up true -down false

Related Topics

Technology Commands

report_via_stackability

tech_info


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