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:
Aug. 19, 2014
Filed:
Oct. 22, 2012
Yong Ju Kim, Icheon-si, KR;
Hyung Soo Kim, Hwaseong-si, KR;
Hae Rang Choi, Icheon-si, KR;
Jae Min Jang, Seoul, KR;
Yong Ju Kim, Icheon-si, KR;
Hyung Soo Kim, Hwaseong-si, KR;
Hae Rang Choi, Icheon-si, KR;
Jae Min Jang, Seoul, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
An on-die termination circuit includes a reference period signal generation circuit that generates a reference period signal according to a level of a reference voltage, a first period signal generation circuit that generates a first period signal according to a voltage level of a pad, a period comparison circuit that compares a period of the first period signal with a period of the reference period signal and count a plurality of driving signals, and a driver circuit that drives the pad in response to the plurality of driving signals.