MEMORY SYSTEM AND METHOD OF CONTROLLING NONVOLATILE MEMORY
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United States of America Patent
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Mar 16, 2017
app pub date -
Mar 10, 2016
filing date -
Sep 10, 2015
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Abstract
According to one embodiment, when a write request of first data is received, a controller selects one frame type from among a plurality of frame types including first and second frame types based on information including defective memory cell information of nonvolatile memory and generates a codeword including the first data and in correspondence with the selected frame type. In a case where the first frame type is selected, the controller generates a frame corresponding to the first frame type based on the information and the codeword and writes the generated frame corresponding to the first frame type into the nonvolatile memory.
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