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:
Aug. 29, 2017
Filed:
Nov. 12, 2014
Applicant:
SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;
Inventor:
Hong Jung Kim, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/22 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40618 (2013.01); G11C 11/40622 (2013.01);
Abstract
A refresh circuit is configured to perform a first refresh operation for a plurality of memory banks. The first refresh operation may be performed within a first time period determined according to a first parameter. The refresh circuit may be configured to perform a second refresh operation for a partial number of memory banks among the plurality of memory banks. The second refresh operation may be performed for the partial number of memory banks that have completed the first refresh operation. The second refresh operation may be performed within the first time period.