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. 13, 2015
Filed:
Jul. 03, 2013
Applicants:
SK Hynix Inc., Icheon, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Inventors:
Chul Hyun Park, Seoul, KR;
Seung Tak Ryu, Daejeon, KR;
Ji Wook Kwon, Daejeon, KR;
Dong Hwan Jin, Seoul, KR;
Assignees:
SK Hynix Inc., Icheon, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 13/00 (2006.01); G11C 11/56 (2006.01);
U.S. Cl.
CPC ...
G11C 13/004 (2013.01); G11C 11/5678 (2013.01); G11C 13/0004 (2013.01); G11C 2013/0042 (2013.01); G11C 2013/0054 (2013.01); G11C 2213/72 (2013.01);
Abstract
A multi-level memory apparatus includes two or more current paths configured to pass currents having different levels, a memory cell selectively coupled to the two or more current paths, and a cell current copy unit configured to copy a cell current flowing through the memory cell.