Apparatuses, systems, and methods for direct refresh management sampling protection
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United States of America Patent
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May 28, 2024
Grant Date -
Sep 21, 2023
app pub date -
Mar 15, 2022
filing date -
Mar 15, 2022
priority date (Note) -
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Abstract
Apparatuses, systems, and methods for direct refresh management (DRFM) sampling protection. A memory receives a DRFM address and DRFM sampling command from a controller. The memory also samples addresses into an aggressor register. Responsive to receiving the DRFM address, the memory may prevent addresses which match the DRFM address from being added to the aggressor register for at least a period of time. For example, a protect flag may be activated for the period of time. If the aggressor register already contained an address which matched the DRFM address, it may be removed.
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