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:
Jan. 07, 2003
Filed:
Mar. 12, 2001
Applicant:
Inventors:
Chang-Ho Do, Ichon-shi, KR;
Jung-Won Suh, Ichon-shi, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A semiconductor memory device having a plurality of cell blocks includes: a fuse box group, coupled to the cell blocks, for generating a repair signal in response to a row address signal; a repair signal summation unit for generating a repair summation signal for controlling a repair operation in response to the repair signal; a block selection signal generation unit for generating a block selection signal for selecting a cell block to be repaired in response to the repair summation signal and a block selection address signal; and a repair row decoding unit for driving a redundant word line in response to the repair signal and a block selection signal.