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:
Dec. 25, 1990
Filed:
Dec. 09, 1988
Applicant:
Inventors:
Ryoji Fukuhama, Hyogo, JP;
Hideshi Miyatake, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365206 ; 365208 ; 365149 ;
Abstract
A semiconductor dynamic random access memory is provided comprising bit line pairs divided into groups and sense amplifiers, one for each bit line pair group provided on one side of the bit line pairs in a line. When a word line is selected, only one bit line pair is released from a precharge.equalize state to be connected to a corresponding sense amplifier in each bit line pair group in accordance with address information of the word line. Memory cells are arranged such that only one memory cell is connected to the selected word line in each bit line pair group.