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. 19, 1989
Filed:
Feb. 18, 1988
Michihiro Inoue, Ikoma, JP;
Toshio Yamada, Sakai, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A dynamic random access memory which includes a sense amplifier, first pair of bit lines extending in the opposite directions from the sense amplifier, second pair of bit lines extending in the opposite directions from the sense amplifier and disposed in parallel with the first pair of bit lines, a plurality of word lines disposed in a manner that the word lines perpendicularly intersect with the first and second pairs of bit lines, and a plurality of memory cells disposed at all intersecting points of the word lines and the first and second pairs of bit lines. Two bit lines selected from the first and second pairs of bit lines are coupled to the sense amplifier. Since two bit lines or two groups of memory cells can be disposed at one side of the sense amplifier, space efficiency can be highly improved without damaging the operating characteristics of a dynamic random access memory.