External Memory Interface Handbook Volume 2: Design Guidelines

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

9.10.4. DLL Assumptions

The following DLL assumptions are necessary:
  • The DLL must directly feed its delayctrlout[] outputs to all DQS pins without intervening logic or inversions.
  • The DLL must be in a valid frequency band of operation as defined in the corresponding device data sheet.
  • The DLL must have jitter reduction mode and dual‑phase comparators enabled.

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