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:
Mar. 21, 2000
Filed:
Apr. 13, 1999
Applicant:
Inventor:
Fumihiro Kohno, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36523003 ; 365203 ; 365233 ; 36523008 ;
Abstract
A semiconductor memory device adapted to enhanced functional features and a large memory capacity. The semiconductor memory device includes a semiconductor chip divided into 9 regions B1 through B9 having an identical area, in a 3.times.3 pattern. A main control block is arranged at least in a central region B9 and memory blocks are arranged respectively in the peripheral regions B1 through B8 of the 9 regions. Each of the memory blocks is controlled by the main control block and includes a data input/output circuit and a memory control circuit.