Working with the Length Design Rule on a PCB in Altium Designer
This document is no longer available beyond version 21. Information can now be found here: Length Rule for version 25
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Rule category: High Speed
Rule classification: Unary
Summary Copy Link Copied
This rule specifies the minimum and maximum lengths of a net.
Constraints Copy Link Copied
- Length Units - choose this option to define the length as a distance.
- Delay Units - choose this option to define the length as a time (how long the signal takes to travel along that length of route).
- Minimum - the value for the minimum permissible length of the net.
- Maximum - the value for the maximum permissible length of the net.
How Duplicate Rule Contentions are Resolved Copy Link Copied
All rules are resolved by the priority setting. The system goes through the rules from highest to lowest priority and picks the first one whose scope expression matches the object(s) being checked.
Rule Application Copy Link Copied
Online DRC and Batch DRC.