Memory controller, storage device and memory control method
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United States of America Patent
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Feb 7, 2017
Grant Date -
Mar 10, 2016
app pub date -
Mar 3, 2015
filing date -
Sep 5, 2014
priority date (Note) -
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Abstract
According to one embodiment, a memory controller includes an encoding unit that generates a first code word, a duplication unit that duplicates the first code word, a memory interface that writes a code word group including the first code word and code words being duplicates of the first code word into a non-volatile memory, and reads the code words forming the code word group from the non-volatile memory, a determination unit that obtains a result of majority decision using the first code word and the plurality of code words, which are included in the code word group read from the non-volatile memory, and a decoding unit that decodes a code word being the result of the majority decision and corrects an error.
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