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:
Jun. 16, 2015
Filed:
Nov. 06, 2012
Applicants:
Hak-soo Yu, Seongnam-Si, KR;
Joo-sun Choi, Yongin-Si, KR;
Hong-sun Hwan, Suwon-Si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/02 (2006.01); G11C 11/4063 (2006.01); G11C 14/00 (2006.01); G11C 16/06 (2006.01); G11C 11/406 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4063 (2013.01); G11C 14/00 (2013.01); G11C 16/06 (2013.01); G11C 11/406 (2013.01); G11C 2211/4061 (2013.01);
Abstract
A semiconductor memory device includes a cell array including a plurality of regions accessed by first addresses, where the plurality of regions including at least two groups of regions having respectively different memory characteristics. The device further includes a nonvolatile array for nonvolatile storage of group information indicative of which of the least two groups each of the plurality of regions belongs.