NON-VOLATILE SEMICONDUCTOR STORAGE APPARATUS
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United States of America Patent
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app pub date -
Aug 2, 2013
filing date -
Mar 14, 2013
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Abandoned
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Abstract
According to one embodiment, apparatus includes non-volatile memory chips, and a first controller which executes processing for reading first valid data stored in a first storage region of a first non-volatile memory chip in the non-volatile memory chips, processing for storing the first valid data in a buffer memory, processing for writing the first valid data stored in the buffer memory in a second storage region of the first non-volatile memory chip, and processing for erasing data stored in the first storage region. Each of the non-volatile memory chips comprises erase blocks. Each erase block includes write blocks. Each of the first storage region and the second storage region includes at least one erase block.
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