Samsung electronics co., ltd. (20250014658). STORAGE DEVICE AND OPERATING METHOD THEREOF
STORAGE DEVICE AND OPERATING METHOD THEREOF
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STORAGE DEVICE AND OPERATING METHOD THEREOF
This abstract first appeared for US patent application 20250014658 titled 'STORAGE DEVICE AND OPERATING METHOD THEREOF
Original Abstract Submitted
the present disclosure relates to storage devices. an example storage device includes a nonvolatile memory device that includes a plurality of memory blocks, and a memory controller that controls the nonvolatile memory device. the memory controller performs a soft erase operation on a first memory block among the plurality of memory blocks, measures a first cell count by applying a first reference voltage to a plurality of first memory cells selected in advance from a plurality of memory cells of the first memory block after performing the soft erase operation, generates a first health index associated with a retention characteristic of the first memory block based on the first cell count, and performs a reliability management operation on the first memory block based on the first health index.
