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:
Jun. 15, 2021
Filed:
Mar. 25, 2020
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Myeong-Jae Park, Gyeonggi-do, KR;
Ji-Hwan Kim, Seoul, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/04 (2006.01); H03K 5/135 (2006.01); H03K 21/38 (2006.01); G01R 31/317 (2006.01); H03K 23/00 (2006.01); G06F 1/10 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/135 (2013.01); G01R 31/31727 (2013.01); G06F 1/04 (2013.01); G06F 1/10 (2013.01); H03K 21/38 (2013.01); H03K 23/002 (2013.01); H03K 2005/0015 (2013.01); H03K 2005/00078 (2013.01);
Abstract
A clock generation circuit includes: a frequency detector suitable for generating an internal clock, and generating a counting signal indicating a toggling number of the internal clock during an activation period of an input clock; a control signal generator suitable for generating a plurality of period control signals based on a target signal and the counting signal, the target signal indicating a target frequency of an output clock; and a period controller suitable for generating the output clock based on the period control signals.