IP & T Group LLP
Memory system with memory region read counts and a memory group read count and operating method thereof
A memory system includes a storage medium including a memory region group having a plurality of memory regions; a memory configured to store a plurality of region read counts respectively corresponding to the plurality of memory regions and a group read count corresponding to the memory region group; a count management circuit configured to, when a first memory region among the plurality of memory regions is read-accessed, based on a first region read count corresponding to the first memory region among the plurality of region read counts, increase the group read count and reduce remaining region read counts other than the first region read count among the plurality of region read counts; and a reliability management circuit configured to perform a reliability management operation for the memory region group, based on the group read count.
SK hynix Inc.
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Yong Il Dae Seok
Jung Shin