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:
Sep. 26, 2017
Filed:
May. 18, 2016
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Myeong Jae Park, Icheon-si, KR;
Kyung Hoon Kim, Icheon-si, KR;
Kyu Young Kim, Icheon-si, KR;
Woo Yeol Shin, Icheon-si, KR;
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Abstract
A phase detection circuit includes a sampling signal generation circuit configured to generate a plurality of sampling signals in response to a plurality of phase change clocks having different phases and data; a charging voltage generation circuit configured to compare the plurality of sampling signals, and change a voltage level of one charging voltage between a first charging voltage and a second charging voltage; and a comparison circuit configured to compare voltage levels of the first and second charging voltages, and generate a result signal.