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.

Date of Patent:
Jan. 02, 2018

Filed:

Apr. 19, 2017
Applicant:

SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;

Inventors:

Jin Wook Kim, Yongin-si, KR;

Seon Ho Kim, Yongin-si, KR;

Yin Jae Lee, Icheon-si, KR;

Min Seok Choi, Seoul, KR;

Assignee:

SK hynix Inc., Icheon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/40 (2006.01); G11C 11/406 (2006.01); G11C 11/408 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40626 (2013.01); G11C 11/406 (2013.01); G11C 11/408 (2013.01);
Abstract

A refresh control device may include, an address processing circuit configured to divide an input address into a plurality of partial addresses, and generate an updated partial address input count based on an input count for each partial address value. The refresh control device also includes a target refresh address generation circuit configured to generate a target refresh address based on the updated partial address input count, and a target refresh circuit configured to perform a refresh operation on a word line corresponding to the target refresh address.


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