Samsung Electronics Co., Ltd.

Hee-hyun Nam

Young-Sik Kim

Young-Jin Cho

Eun Chu Oh

Young-geun Lee

A memory system for performing a recovery operation is provided. A memory system includes a memory device including a plurality of memory cells constituting a plurality of sub-sets, and a memory controller for controlling the memory device. The memory controller controls the memory device to manage a read count indicating a number of read operations performed by the memory device for each of the plurality of sub-sets, and to perform a recovery operation on a sub-set, among the plurality of sub-sets, based on the read count corresponding to the read count. Each of a plurality of sub-sets includes a plurality of pages. Each of the plurality of pages is a unit in which a read operation is performed in the plurality of memory cells.

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Seoul, South Korea

Hee-hyun Nam