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:
Aug. 24, 1999
Filed:
Apr. 09, 1998
Applicant:
Inventors:
Masato Matsumiya, Kawasaki, JP;
Satoshi Eto, Kawasaki, JP;
Toshikazu Nakamura, Kawasaki, JP;
Masato Takita, Kawasaki, JP;
Mitsuhiro Higashiho, Kasugai, JP;
Toru Koga, Kawasaki, JP;
Hideki Kano, Kawasaki, JP;
Ayako Kitamoto, Kawasaki, JP;
Kuninori Kawabata, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365 63 ; 365 51 ;
Abstract
A semiconductor memory device includes at least one cell block including an array of memory cells, a plurality of sense amplifiers which temporarily hold data of the memory cells, a first data bus connected to the plurality of sense amplifiers via first gates, and a second data bus having a direct electrical connection to the first data bus and being laid out to extend through a position of the at least one cell block.