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AR# 63666

MIG UltraScale DDR4 - tCK SPEC_VIOLATIONs for tCK = 833ps and speed bin = 833 when using Micron Memory Model

Description

Version Found: MIG UltraScale v7.0
Version Resolved: See (Xilinx Answer 58435)

When simulating a MIG UltraScale DDR4 design targeted for tCK=833ps, speed bin=833, and using a Micron memory model, the following error message might be seen:
 

ERROR:tCK SPEC_VIOLATION spec:TS_938 to TS_938 loaded:TS_833 @3983149.


Solution


This violation is seen because of an issue with the Micron memory model using the wrong speed bin parameters.

Please contact Micron for a solution and timeline for when this issue will be fixed.

Revision History:
04/01/2015 - Initial Release

Linked Answer Records

Master Answer Records

AR# 63666
Date Created 02/23/2015
Last Updated 04/30/2015
Status Active
Type Known Issues
Devices
  • Kintex UltraScale
  • Virtex UltraScale
IP
  • MIG UltraScale