Article ID: 000080039 Content Type: Troubleshooting Last Reviewed: 11/23/2011

QDR II and QDR II SRAM Controller with UniPHY IP Core May Not Operate Below 167MHz

Environment

  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT

    Critical Issue

    Description

    The IP core may not operate reliably at memory clock frequencies less than 167MHz.

    Resolution

    Do not use the IP core at memory clock frequencies less than 167MHz for Stratix III or Stratix IV devices.

    Related Products

    This article applies to 2 products

    Stratix® III FPGAs
    Stratix® IV FPGAs

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