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. 22, 2002
Filed:
May. 02, 2001
Applicant:
Inventor:
Jong Tai Park, Seoul, KR;
Assignee:
Hyundai Electronics Co., Ltd., Kyoungki-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A semiconductor memory device is provided to reduce current consumption during a refresh operation by decreasing the number of wordlines activated at the same time, including a block set having a plurality of cell array blocks which are divided into a plurality of regions which employ wordlines independently from each other, row driving circuit to alternatively select the wordlines arranged each in the regions, and column driving circuit to activate columns of the cell arrays involved in the wordlines selected by the row driving circuit.