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. 26, 2012
Filed:
Aug. 06, 2009
Applicants:
Sang-seok Kang, Suwon-si, KR;
Hyung-dong Kim, Suwon-si, KR;
Inventors:
Sang-Seok Kang, Suwon-si, KR;
Hyung-Dong Kim, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G11C 7/00 (2006.01); G11C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a voltage level selection unit configured to output a plurality of voltage level selection signals according to a fuse program in response to a self-refresh command signal and a reference voltage generator configured to receive a reference voltage and output a target reference voltage having a different voltage level depending on a normal mode or a self-refresh mode in response to the voltage level selection signals.