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:
Oct. 10, 2017
Filed:
Feb. 11, 2016
Applicant:
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Inventors:
Seung Hun Lee, Icheon-si, KR;
Won Kyung Chung, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 3/02 (2006.01); G05F 1/10 (2006.01); G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
G05F 1/10 (2013.01); G11C 5/147 (2013.01);
Abstract
A circuit for setting a reference voltage is provided. The circuit includes a reference voltage information storage unit and a reference voltage input/output (I/O) control unit. The reference voltage information storage unit is configured to set a level of a reference voltage according to information stored in a first register or a second register if a training operation starts in a first set mode. The reference voltage I/O control unit is configured to set a level of the reference voltage according to first data or second data if the training operation starts in a second set mode.