External Memory Interface Handbook Volume 3: Reference Material

ID 683841
Date 7/24/2019
Document Table of Contents

7.2.5. Rank Timer

The rank timer maintains rank-specific timing information, and performs the following functions:
  • Ensures that only four activates occur within a specified timing window.
  • Manages the read-to-write and write-to-read bus turnaround time.
  • Manages the time-to-activate delay between different banks.

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