US 11,892,907 B2
Memory system
Tsukasa Tokutomi, Kamakura (JP); Masanobu Shirakawa, Chigasaki (JP); Marie Takada, Yokohama (JP); Masamichi Fujiwara, Kawasaki (JP); Kazumasa Yamamoto, Kawasaki (JP); Naoaki Kokubun, Kawasaki (JP); Tatsuro Hitomi, Yokohama (JP); and Hironori Uchikawa, Fujisawa (JP)
Assigned to Kioxia Corporation, Minato-ku (JP)
Filed by Kioxia Corporation, Minato-ku (JP)
Filed on Nov. 10, 2022, as Appl. No. 17/984,309.
Application 17/984,309 is a continuation of application No. 17/174,399, filed on Feb. 12, 2021, granted, now 11,537,465.
Application 17/174,399 is a continuation of application No. 16/546,488, filed on Aug. 21, 2019, granted, now 10,956,264, issued on Mar. 23, 2021.
Application 16/546,488 is a continuation of application No. 15/916,516, filed on Mar. 9, 2018, granted, now 10,430,275, issued on Oct. 1, 2019.
Claims priority of application No. 2017-179359 (JP), filed on Sep. 19, 2017.
Prior Publication US 2023/0065159 A1, Mar. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H03M 13/00 (2006.01); G06F 11/10 (2006.01); H03M 13/11 (2006.01); H03M 13/37 (2006.01); H03M 13/29 (2006.01); H03M 13/15 (2006.01)
CPC G06F 11/1068 (2013.01) [G06F 11/1012 (2013.01); G06F 11/1048 (2013.01); H03M 13/1105 (2013.01); H03M 13/1108 (2013.01); H03M 13/1111 (2013.01); H03M 13/152 (2013.01); H03M 13/2906 (2013.01); H03M 13/3715 (2013.01); H03M 13/6505 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A memory system comprising:
a memory device including a memory cell; and
a controller configured to:
read first data from the memory device based on a first data reading;
decode the first data;
read second data from the memory device based on a second data reading when the decoding of the first data fails, the second data reading being different from the first data reading; and
convert a first value that is based on the first data and the second data, to a second value in accordance with a first relationship.