Article ID: 000085276 Content Type: Troubleshooting Last Reviewed: 09/11/2012

Can I open multiple banks at a time in my DDR/DDR2 device through Altera High Performance DDR/DDR2 memory controller?

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

Yes, you can have multiple banks open at a time in DDR/DDR2 High Performance memory controller.

Individually each bank will stay open until you change row address in that bank, precharge that bank, or Referesh.
 
All open banks will close if a "precharge all" command is issued, or a Referesh occurs.

Related Products

This article applies to 3 products

Stratix® III FPGAs
Stratix® II GX FPGA
Stratix® II FPGAs