External Memory Interfaces Intel® Arria® 10 FPGA IP User Guide

ID 683106
Date 12/19/2023

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Document Table of Contents Package Deskew Recommendations for Intel® Arria® 10 Devices

The following table shows package deskew recommendations for Intel® Arria® 10 devices.

As operating frequencies increase, it becomes increasingly critical to perform package deskew. The frequencies listed in the table are the minimum frequencies for which you must perform package deskew.

If you plan to use a listed protocol at the specified frequency or higher, you must perform package deskew.

Protocol Minimum Frequency (MHz) for Which to Perform Package Deskew
Single Rank Dual Rank Quad Rank
DDR4 933 800 667
DDR3 933 800 667
LPDDR3 667 533 Not required
QDR IV 933 Not applicable Not applicable
RLDRAM 3 933 667 Not applicable
QDR II, II+, II+ Xtreme Not required Not applicable Not applicable