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. 06, 2015
Filed:
Jul. 25, 2013
Applicant:
SK Hynix Inc., Icheon, KR;
Inventor:
Hyuck-Sang Yim, Icheon, KR;
Assignee:
SK Hynix Inc., Icheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 13/00 (2006.01); G11C 11/16 (2006.01);
U.S. Cl.
CPC ...
G11C 13/0069 (2013.01); G11C 11/1675 (2013.01); G11C 11/16 (2013.01); G11C 13/0004 (2013.01); G11C 13/0007 (2013.01);
Abstract
A semiconductor device includes: a write current generator configured to generate a write current corresponding to a write reference voltage in a write mode and to have a negative feedback structure. The semiconductor device may further comprise a variable resistance device configured to have a resistance value that varies with the write current.