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.
Patent No.:
Date of Patent:
Feb. 18, 2020
Filed:
Nov. 13, 2017
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Assignee:
WESTERN DIGITAL TECHNOLOGIES, INC., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G11C 11/419 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G11C 11/419 (2013.01); G11C 16/349 (2013.01); G11C 16/3422 (2013.01); G11C 16/0483 (2013.01);
Abstract
Apparatus, systems, methods, and computer program products for managing refresh operations in memory devices are disclosed. An apparatus includes a memory device including a plurality of memory cells comprising an associated set of counters and a controller for the memory device. A controller is configured to randomly increment a counter associated with a memory cell in response to write disturbances for the memory cell. A controller is configured, in response to a counter being randomly incremented to a predetermined count, perform a refresh operation on a memory cell.