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:
Mar. 08, 2022
Filed:
Mar. 31, 2021
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/40 (2006.01); G11C 11/406 (2006.01); G06F 3/06 (2006.01); G11C 5/00 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40603 (2013.01); G06F 3/064 (2013.01); G06F 3/0629 (2013.01); G06F 3/0679 (2013.01); G06F 3/0619 (2013.01); G11C 5/005 (2013.01); G11C 11/40626 (2013.01); G11C 29/00 (2013.01);
Abstract
A storage device may include a monitoring module which monitors a characteristic degradation rate of a plurality of blocks included in a cell array of a nonvolatile memory; a group management module which designates the plurality of blocks as one or more groups, on the basis of a monitoring result of the monitoring module; a refresh period management module which determines refresh periods for each of the one or more groups; and a processor which performs refresh on the one or more groups in accordance with the determined refresh periods.