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:
Apr. 28, 2020
Filed:
Jun. 07, 2019
Applicant:
SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;
Inventors:
Da In Im, Icheon-si, KR;
Young Suk Seo, Seoul, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/08 (2006.01); H03L 7/18 (2006.01); G06F 1/10 (2006.01); H03L 7/089 (2006.01);
U.S. Cl.
CPC ...
H03L 7/18 (2013.01); G06F 1/10 (2013.01); H03L 7/089 (2013.01);
Abstract
A phase detection circuit is configured to receive an input clock signal and a reference clock signal. The phase detection circuit is configured to generate a divided clock signal from the reference clock signal. The phase detection circuit is configured to generate a phase detection signal after comparing the phase of the input clock signal with the divided clock signal.