External Memory Interface Handbook Volume 2: Design Guidelines

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

2.4.3. Choosing Terminations on Arria 10 Devices

To determine optimal on-chip termination (OCT) and on-die termination (ODT) values for best signal integrity, you should simulate your memory interface in HyperLynx or a similar tool.

If the optimal OCT and ODT termination values as determined by simulation are not available in the list of available values in the parameter editor, select the closest available termination values for OCT and ODT.

Refer to Dynamic On-Chip Termination (OCT) in Arria 10 Devices for examples of various OCT modes. Refer to the Arria 10 Device Handbook for more information about OCT. For information on available ODT choices, refer to your memory vendor data sheet.

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