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:
Mar. 11, 2025

Filed:

Aug. 15, 2022
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Katsuhiko Iwai, Yokohama Kanagawa, JP;

Assignee:

KIOXIA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/10 (2006.01); G11C 11/408 (2006.01); G11C 11/4094 (2006.01); G11C 11/4096 (2006.01); G11C 29/52 (2006.01);
U.S. Cl.
CPC ...
G11C 29/52 (2013.01); G11C 11/4085 (2013.01); G11C 11/4094 (2013.01); G11C 11/4096 (2013.01);
Abstract

A memory system includes a nonvolatile memory and a control circuit. The nonvolatile memory includes a plurality of word lines, a plurality of bit lines, and a plurality of storage elements. The control circuit includes an ECC circuit that detects and corrects a data error stored in the plurality of storage elements, acquires first data by reading data stored in the plurality of storage elements of a page connected to the same word line with a first read voltage, acquires second data obtained by correcting the first data when the first data can be corrected by the ECC circuit, and writes data based on the second data to the plurality of storage elements of the page.


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