Invention Grant

Memory system
Abstract:
A memory system according to one embodiment includes a memory device including a memory cell with a variable resistance value and a first controller, and a second controller. The first controller is configured to compare first read data read from the memory cell when a first voltage is applied to the memory cell with second read data read from the memory cell when a second voltage is applied to the memory cell. The first voltage is different from the second voltage. The first read data has a first value or a second value with the first value being different from the second value. The second read data has the first value or the second value.
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