Method, apparatus and system for responding to a row hammer event
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United States of America Patent
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Feb 7, 2017
Grant Date -
Aug 4, 2016
app pub date -
Jan 29, 2016
filing date -
Dec 21, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques and mechanisms to facilitate an operational mode of a memory device to prepare for a targeted refresh of a row in memory. In an embodiment, the memory device performs one or more operations while in the mode to prepare for a future command from a memory controller, the command to implement, at least in part, a targeted refresh of a row in a first bank of the memory device. Prior to such a command, the memory device services another command from the memory controller. In another embodiment, servicing the other command includes the memory device accessing a second bank of the memory device while the memory device operates in the mode, and before completion of an expected future targeted row refresh.
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