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:
Dec. 26, 2023
Filed:
Aug. 05, 2022
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventor:
Hiroki Noguchi, Hsinchu, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01); G06F 11/10 (2006.01); G11C 7/06 (2006.01);
U.S. Cl.
CPC ...
G11C 7/1051 (2013.01); G06F 11/1068 (2013.01); G11C 7/06 (2013.01); G11C 7/1096 (2013.01);
Abstract
Performing refresh operation in a memory device is provided. A refresh operation without address rotation is performed in a cell array of the memory device. Performing the refresh operation without address rotation is repeated for a predetermined number of times. After repeating performing the refresh operation with address rotation for the predetermined number of times, a refresh operation with address rotation is performed in the cell array.