Standard

JEDEC JEP300-1

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Omfang

Dynamic Random Access Memory (DRAM) vendors mitigate Rowhammer bit flipping through a combination of design, architecture and process choices to ensure that Rowhammer bit flips do not occur under ordinary workload usage conditions. On-DRAM mitigation, coupled with proper external support, can effectively protect the data integrity of the DRAM during targeted and/or malicious exploit attacks. This publication recommends the use of Refresh Management (RFM) as a first option for DRAM data integrity protection. data integrity protection. If the DDR product does not support RFM, Refresh commands issued at regular intervals to satisfy tREFI is recommended. Postponing or/and Pulling-in the Refresh commands provides flexibility to systems’ command scheduling for certain DDR family product. However, maintaining regular tREFI enables the DRAM to improve data preservation. Issuing Refresh commands at increased refresh rates can improve DRAM data protection for DRAM products without RFM.

Dokumentinformasjon

  • Standard fra JEDEC_AC
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  • Varetype: IS