Process Rule Override Editor: Match Form
To open the Process Rule Override Editor: Match1 form, double-click a match constraint in the Match column on the Nets tab. Alternatively, double-click a match constraint in the Match column on the Match tab.
The Process Rule Override Editor: Match form has the following components.
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Toolbar
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Lets you copy and delete a constraint.
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Fields
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Lets you specify the options for match constraints.
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Toolbar
The following table lists the functions of the different buttons on the Process Rule Override Editor: Match form toolbar.
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Icon
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Command
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Description
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Copy Constraint Group
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Lets you copy the constraint group.
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Delete Constraint Group
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Lets you delete the constraint group.
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Fields
The Process Rule Override Editor: Match form lets you specify the options for matched length constraints. The form contains the following fields.
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Field
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Description
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Group Name
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Lets you specify the group name for the matched length constraint.
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Constraint Group Name
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Lets you select a constraint group to use to seed the values.
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#Via Cuts
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Specifies the number of cuts for each cut layer matching a valid via.
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Pattern
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Lets you select the pattern used to lengthen wires for matched length routing. The available options are: None, Accordion, RW Accordion, Trombone, and End Run.
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Match Per Layer
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Determines the length match checks performed by layer or over the entire length of the net.
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Match Tolerance
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Specifies the absolute tolerance when matching net lengths is expressed as a percentage of total length. The Match Tolerance Value cannot be greater than 100%.
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Top Layer
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Lets you select the preferred top routing layer.
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Bottom Layer
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Lets you select the preferred bottom routing layer.
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Width/Space
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Toggles to display the width and spacing layer table.
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Layer
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Displays the name of the layer.
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Min W
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Lets you specify the minimum width to be used for the layer.
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Max W
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Lets you specify the maximum width to be used for the layer.
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Min S
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Lets you specify the minimum spacing to be used for the layer.
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Related Topics
Opening Routing Constraint Manager
Virtuoso Routing Constraint Manager
Routing Constraint Manager User Interface
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