The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 13, 2020

Filed:

Sep. 06, 2018
Applicant:

Toshiba Memory Corporation, Minato-ku, JP;

Inventors:

Masahiro Kiyooka, Yokohama, JP;

Yoshihisa Kojima, Kawasaki, JP;

Toshikatsu Hida, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/56 (2006.01); G11C 16/26 (2006.01); H03M 13/11 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G11C 11/5642 (2013.01); G06F 11/1048 (2013.01); G06F 11/1076 (2013.01); G11C 16/26 (2013.01); H03M 13/1105 (2013.01);
Abstract

According to one embodiment, a memory system comprising includes a semiconductor memory and a memory controller. The memory controller is configured to obtain first data read from the semiconductor memory using a first voltage, obtain second data read from the semiconductor memory using a second voltage, calculate a first value for a first section of the first data using the first data and the second data, calculate a second value for a second section of the first data using the first data and the second data, calculate a third value for a third section of the first data using the first data and the second data, and correct an error of the first data using the first to third values.


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