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:
Dec. 18, 2018

Filed:

Mar. 07, 2017
Applicant:

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

Inventor:

Chul Moon Jung, Icheon-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/408 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40611 (2013.01); G11C 11/40626 (2013.01); G11C 11/408 (2013.01);
Abstract

A refresh control device for reducing power consumption during a target row refresh operation is disclosed. The refresh control device includes a refresh address generator configured to generate a refresh address by selecting any one of a target row refresh address and a normal refresh address according to a target row refresh flag signal, an address control signal generator configured to generate a multiple address control signal in response to the target row refresh flag signal and a multiple refresh signal, and a final refresh address generator configured to generate a plurality of final refresh addresses from the refresh address in response to the multiple address control signal.


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