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. 27, 2016
Filed:
Jul. 30, 2013
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventor:
Sergiy Romanovskyy, Ottawa, CA;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/10 (2006.01); G11C 11/401 (2006.01); G11C 29/02 (2006.01); G11C 29/50 (2006.01); G11C 11/403 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G06F 11/108 (2013.01); G11C 11/40626 (2013.01); G11C 29/023 (2013.01); G11C 29/028 (2013.01); G11C 29/50016 (2013.01); G06F 11/1024 (2013.01); G06F 11/1048 (2013.01); G06F 11/1068 (2013.01); G11C 11/403 (2013.01); G11C 11/406 (2013.01); G11C 11/40603 (2013.01); G11C 11/40611 (2013.01); G11C 11/40615 (2013.01); G11C 2211/4061 (2013.01); G11C 2211/4062 (2013.01); G11C 2211/4065 (2013.01); G11C 2211/4068 (2013.01);
Abstract
A memory device includes a plurality of rows of memory cells, a refresh period determination unit, and a refresh control unit. The plurality of rows of memory cells includes a first row and one or more second rows. The refresh period determination unit is configured to set a refresh period according to read data from the first row. A refresh control unit is configured to control refreshing the one or more second rows based on the refresh period and to control obtaining the read data from the first row based on an adjustment interval.