Working with the Undershoot - Rising Edge Design Rule on a PCB in Altium Designer
Created: марта 17, 2022 | Updated: марта 18, 2022
| Applies to version: 21
This document is no longer available beyond version 21. Information can now be found here: Undershoot - Rising Edge Rule for version 24
Rule category: Signal Integrity
Rule classification: Unary
Summary
This rule specifies the maximum allowable undershoot (ringing below the top value) on the rising edge of the signal.
Constraints
Default constraints for the Undershoot - Rising Edge rule.
- Maximum (Volts) - the value for the maximum permissible undershoot on the rising edge of the signal.
How Duplicate Rule Contentions are Resolved
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
Batch DRC and during Signal Integrity analysis.
