Product Documentation
Virtuoso Automated Chip Assembly Routing Flow Guide
Product Version IC23.1, October 2023

Process Rule Override Editor: Bus Form

To open the Process Rule Override: Bus form, double-click a bus constraint in the Bus column on the Nets tab. Alternatively, double-click a bus constraint in the Bus column on the Bus tab.

The Process Rule Override: Bus form has the following components:

Toolbar

Lets you copy and delete a constraint.

Fields

Lets you specify the options for bus constraints.

Toolbar

The following table lists the functions of the different buttons on the Process Rule Override: Bus form toolbar.

Icon Command Description

Copy Constraint Group

Lets you copy the constraint group.

Delete Constraint Group

Lets you delete the constraint group.

Fields

The Process Rule Override: Bus form lets you specify the options for bus constraints.

Field Description

Group Name

Lets you specify the group name for the constraint.

Constraint Group Name

Lets you select a constraint group to use for seeding the values.

# Via Cuts

Specifies the number of cuts for each cut layer matching a valid via.

Top Layer

Lets you select the preferred top routing layer.

Bottom Layer

Lets you select the preferred bottom routing layer.

Width/Space

Toggles to display the width and spacing layer table.

Layer

Displays the name of the layer.

Min W

Lets you specify the minimum width to be used for the layer.

Max W

Lets you specify the maximum width to be used for the layer.

Min S

Lets you specify the minimum spacing to be used for the layer.

Related Topics

Opening Routing Constraint Manager

Virtuoso Routing Constraint Manager

Routing Constraint Manager User Interface


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