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:
Aug. 31, 2012
Applicants:
Ji Hyae Bae, Icheon-si, KR;
Jung MI Tak, Icheon-si, KR;
Inventors:
Ji Hyae Bae, Icheon-si, KR;
Jung Mi Tak, Icheon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes: a memory cell array comprising a plurality of blocks each comprising a memory cell arranged at an intersection between a word line and a bit line; and a block state information storing unit configured to store state information of the respective blocks. The block state information storing unit stores lock state information to partially limit access to each of the blocks in response to a power-up signal.