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. 03, 2000
Filed:
Oct. 16, 1999
Yasuo Suminaga, Mie-ken, JP;
Koji Komatsu, Nara, JP;
Sharp Kabushiki Kaisha, , JP;
Abstract
A semiconductor memory device includes a plurality of main bit lines; a first bank including a plurality of memory cells, a plurality of word lines, and a plurality of sub bit lines; a second bank including a plurality of memory cells, a plurality of word lines, and a plurality of sub bit lines which are independent from the plurality of sub bit lines included in the first bank; a first auxiliary conduction region coupled to one of the plurality of main bit lines; a first switch for electrically connecting the first auxiliary conduction region to a second auxiliary conduction region: and a second switch for electrically connecting one of the plurality of sub bit lines included in the first bank to the second auxiliary conduction region.