Product Documentation
Virtuoso Layout Suite XL: Connectivity Driven Editing User Guide
Product Version IC23.1, November 2023

lxGroundNetNames

layoutXL lxGroundNetNames string "list_of_ground_net_names"

Description

Specifies ground net names to help you achieve optimized chaining results in Layout XL device level schematics.

The list is also used by the Virtuoso custom digital placer to exclude ground nets during wire length optimization; and to determine the ground nets that are hidden when the hideDraglinesForGlobalNets environment variable is switched on.

The default values are "gnd gnd! gnd: vss vss! vss:".

Arguments

list_of_ground_net_names

A list of ground net names each separated by a space. The list must be enclosed in quotation marks; for example,

"gnd gnd! gnd: vss vss! vss:"

GUI Equivalent

Command:

Options – Connectivity (General tab)

Field:

Ground net names (Connectivity Form)

Examples

envGetVal("layoutXL" "lxGroundNetNames")
envSetVal("layoutXL" "lxGroundNetNames" 'string "gnd gnd! gnd: vss vss! vss:")

Related Topics

List of Layout XL Environment Variables

Setting Environment Variables


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