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. 12, 2014
Filed:
Mar. 16, 2013
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Ki-Han Kim, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A comparator circuit includes a first comparator configured to store an offset during a first period, and to compare first and second input signals while compensating for the stored offset to generate a first comparison signal during a second period, a second comparator configured to compare the first and second input signals while compensating for an offset to generate a second comparison signal, and a compensation amount controller configured to control an offset compensation amount of the second comparator when the first and second comparison signals have different values.