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. 01, 1991
Filed:
Dec. 08, 1987
Applicant:
Inventors:
Hiroshi Miyamato, Hyogo, JP;
Michihiro Yamada, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
36518906 ; 365203 ; 365222 ; 365233 ; 365206 ;
Abstract
A dynamic random access memory with a folded bit line structure (BLL.sub.j1, BLL.sub.j1, BLR.sub.j1 BLR.sub.j1), each pair of bit lines being divided into a plurality of blocks (MCB.sub.j1, MCB.sub.j2), comprises equalizing transistors (Q.sub.j9, Q.sub.j10) each of which is provided for each pair of divided bit lines to equalize the pair of divided bit lines. The equalizing transistors (Q.sub.j9, Q.sub.j10) stop equalizing selectively and at different times among the blocks.