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:
May. 23, 2017
Filed:
Feb. 19, 2015
Applicant:
SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;
Inventors:
Young Suk Seo, Icheon-si, KR;
Da In Im, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/26 (2006.01); G01R 29/02 (2006.01); H03K 3/356 (2006.01); H03K 5/156 (2006.01);
U.S. Cl.
CPC ...
H03K 5/26 (2013.01); G01R 29/023 (2013.01); H03K 3/35613 (2013.01); H03K 3/356182 (2013.01); H03K 5/1565 (2013.01);
Abstract
A duty cycle detection circuit may include: a timing signal generation unit to generate a plurality of timing signal groups by selectively combining multi-phase clock signals according to an enable signal; and a detection unit to generate a duty detection signal by selectively combining signals of the plurality of timing signal groups according to the enable signal.