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:
Jan. 02, 2024

Filed:

Feb. 24, 2022
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Akiyuki Kaneko, Yokohama Kanagawa, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0619 (2013.01); G06F 3/0655 (2013.01); G06F 3/0679 (2013.01);
Abstract

A memory system includes a plurality of non-volatile memory chips and a controller configured to communicate with a host and control the plurality of non-volatile memory chips. The controller is configured to write a data frame that includes write data and a first parity for error detection and correction of the write data into first memory chips of the non-volatile memory chips in a distributed manner. The first memory chips includes N (N is a natural number of two or more) memory chips. The controller is configured to write a second parity for restoring data stored in one of the N first memory chips using data read from the other N−1 of the N first memory chips, into a second memory chip of the non-volatile memory chips that is different from any of the first memory chips.


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