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:
Feb. 18, 2025

Filed:

Feb. 28, 2023
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Kazuhiro Fukutomi, Yokohama Kanagawa, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/0802 (2016.01);
U.S. Cl.
CPC ...
G06F 3/0616 (2013.01); G06F 3/0653 (2013.01); G06F 3/0679 (2013.01); G06F 12/0802 (2013.01); G06F 2212/304 (2013.01); G06F 2212/45 (2013.01);
Abstract

A memory system includes a nonvolatile memory that includes a plurality of regions; a volatile memory; and a controller that is connected to the nonvolatile memory and the volatile memory. The controller is configured to store in the volatile memory a plurality of first counter values each indicating the number of times each of the plurality of regions has been accessed and a plurality of second counter values respectively corresponding to the plurality of first counter values, and write the first counter value of a first region of the plurality of regions to the nonvolatile memory in response to the second counter value of the first region being equal to or more than a threshold value.


Find Patent Forward Citations

Loading…