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. 03, 2023

Filed:

Aug. 03, 2021
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventors:

Mikai Chen, Sunnyvale, CA (US);

Zhenming Zhou, San Jose, CA (US);

Murong Lang, San Jose, CA (US);

Zhenlei Shen, Milpitas, CA (US);

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/4078 (2006.01); G11C 11/4096 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40622 (2013.01); G11C 11/4078 (2013.01); G11C 11/4096 (2013.01); G11C 11/40615 (2013.01);
Abstract

A processing device of a memory sub-system is configured to determine, for a memory unit of the memory device, a plurality of write disturb counts associated with the memory unit, wherein each of the plurality of write disturb (WD) count is associated with a corresponding write disturb direction; compute, for the memory unit, a weighted WD count reflecting the plurality of write disturb counts; determine whether the weighted WD count meets a criterion; and responsive to determining that the weighted WD count meets the criterion, perform a refresh operation on the memory unit.


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