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:
Nov. 01, 2022
Filed:
Apr. 07, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Won Kyung Chung, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/40 (2006.01); G11C 11/406 (2006.01); G11C 11/4076 (2006.01); G11C 11/4093 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G11C 11/4076 (2013.01); G11C 11/4093 (2013.01); G11C 11/40622 (2013.01);
Abstract
A memory apparatus may include a row hammer control circuit. The row hammer control circuit may generate a plurality of selection control signals by monitoring an interval at which a memory bank of a memory cell array is accessed. The row hammer apparatus may set a threshold value for performing a refresh operation, as one of a plurality of values, based on the plurality of selection control signals.