CPC G06F 3/0616 (2013.01) [G06F 3/0653 (2013.01); G06F 3/0659 (2013.01); G06F 3/0679 (2013.01); G06F 2212/7211 (2013.01)] | 20 Claims |
1. A method of measuring durability of a nonvolatile memory device that includes a plurality of memory blocks, the method comprising:
periodically receiving a read command for a first memory block among the plurality of memory blocks;
periodically performing a read operation on first memory cells of the first memory block based on the read command, the first memory cells connected to a first wordline, the first wordline being determined in advance of the method of measuring durability;
periodically outputting at least one cell count value associated with the first memory block based on a result of the read operation; and
periodically storing durability information associated with the first memory block in response to a periodic reception of the durability information, the durability information being obtained by accumulating the at least one cell count value.
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