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:
Sep. 19, 2023

Filed:

Apr. 22, 2021
Applicant:

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

Inventors:

Kishore Kumar Muchherla, Fremont, CA (US);

Giuseppina Puzzilli, Boise, ID (US);

Vamsi Pavan Rayaprolu, San Jose, CA (US);

Ashutosh Malshe, Fremont, CA (US);

James Fitzpatrick, Laguna Niguel, CA (US);

Shyam Sunder Raghunathan, Singapore, SG;

Violante Moschiano, Avezzano, IT;

Tecla Ghilardi, Trescore Balneario, IT;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/02 (2006.01); G11C 29/52 (2006.01); G11C 16/34 (2006.01); G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0269 (2013.01); G11C 16/3418 (2013.01); G11C 29/52 (2013.01); G06F 2212/702 (2013.01); G11C 16/0483 (2013.01);
Abstract

A highly read data manager of a memory device receives a request to perform receives a request to perform a data relocation operation on a first wordline of a plurality of wordlines for a memory device, the memory device comprising a plurality of multi-level memory cells, wherein each multi-level memory cell comprises a plurality of pages; determines at the first wordline comprises data stored at one or more high read disturb pages of the plurality of pages; determines whether the data comprises a characteristic that satisfies a threshold criterion in relation to additional data stored on additional wordlines of the plurality of wordlines; responsive to determining that the data comprises the characteristic that satisfies the threshold criterion, identifies one or more low read disturb pages of the plurality of pages of a target wordline for relocating the data; and responsive to identifying the one or more low read disturb pages of the target wordline, stores at least a portion of the data at the one or more low read disturb pages of the target wordline.


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