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AR# 55040

MIG 7 Series - DDR3, LPDDR2, and DDR2 support changes for Virtex-7 HT devices

Description

LPDDR2 and DDR2 support for Virtex-7 HT devices has been removed.

Solution

The DDR3 maximum rate has also changed to the following:

Memory Standard Vccaux_io Speed Grade Units
-2/-2L/-2G -1
4:1 Memory Controllers
DDR3 Component 2.0V 1866 1600 Mb/s
1.8V 1333 1066 Mb/s
DDR3 DIMM(1)  2.0V 1780 1600(2) Mb/s
1.8V 1333 1066 Mb/s

Note1: For 1600 Mb/s performance in the -1 speed grade, an 1866 Mb/s rated DIMM is required.
Note2: For 1600 Mb/s performance in the -1 speed grade, an 1866 Mb/s rated DIMM is required. With a 1600 Mb/s rated DIMM, the performance is 1580 Mb/s.

Revision History
04/03/13 - Initial release

AR# 55040
Date Created 03/21/2013
Last Updated 10/03/2013
Status Active
Type General Article
Devices
  • Virtex-7 HT
IP
  • MIG 7 Series