External Memory Interface Handbook Volume 3: Reference Material: For UniPHY-based Device Families

ID 683841
Date 3/06/2023
Document Table of Contents

5.2.5. 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.