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:
Feb. 09, 2016

Filed:

Mar. 25, 2015
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Shin-Deok Kang, Gyeonggi-do, KR;

Jae-Min Jang, Gyeonggi-do, KR;

Yong-Ju Kim, Gyeonggi-do, KR;

Hae-Rang Choi, Gyeonggi-do, KR;

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/017 (2006.01); H03K 5/156 (2006.01);
U.S. Cl.
CPC ...
H03K 3/017 (2013.01); H03K 5/1565 (2013.01);
Abstract

A duty cycle correction circuit includes a clock adjustment unit configured to adjust a duty ratio of an input clock signal in response to a duty control signal and generate an output clock signal, a tracking type setting unit configured to generate an tracking type selection signal for setting a first or second tracking type based on a duty locking state of the output clock signal, and a control signal generation unit configured to generate the duty control signal, into which the first or second tracking type is incorporated, in response to the tracking type selection signal and the output clock signal.


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