| CPC G11C 11/40618 (2013.01) [G11C 11/40615 (2013.01); G11C 11/4078 (2013.01)] | 19 Claims |
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1. A memory system, comprising:
a memory device including banks each including a plurality of rows, and configured to select, within a selected bank of the banks, at least one row from the plurality of rows based on a target address; and
a row-hammer tracking module configured to:
select the selected bank based on a pattern of accesses to each of the banks, wherein the pattern is a difference between a read/write number and an active number of each of the banks, and the selected bank has a lesser number than a reference number in the difference, and
select the target address according to an access number for each of a plurality of groups of the rows within the selected bank.
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