External Memory Interface Handbook Volume 2: Design Guidelines

ID 683385
Date 5/08/2017
Document Table of Contents

2.8.1. Package Deskew Recommendation for Stratix V Devices

Package deskew is not required for any memory protocol operating at 800 MHz or below.

For DDR3 and RLDRAM3 designs operating above 800 MHz, you should run timing analysis with accurately entered board skew parameters in the parameter editor. If Report DDR reports non-core timing violations, you should then perform the steps in the following topics, and modify your board layout. Package deskew is not required for any protocols other than DDR3 and RLDRAM 3.

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