Row hammer condition monitoring
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United States of America Patent
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Jan 20, 2015
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N/A
app pub date -
Jun 30, 2012
filing date -
Jun 30, 2012
priority date (Note) -
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Abstract
A system monitors data accesses to specific rows of memory to determine if a row hammer condition exists. The system can monitor accessed rows of memory to determine if the number of accesses to any of the rows exceeds a threshold associated with risk of data corruption on a row of memory physically adjacent to the row with high access. Based on the monitoring, a memory controller can determine if the number of accesses to a row exceeds the threshold, and indicate address information for the row whose access count reaches the threshold.
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