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:
Jul. 27, 1999
Filed:
Oct. 26, 1998
Koji Komatsu, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A semiconductor memory device includes a plurality of main bit lines; a first bank having a plurality of memory cells, a plurality of word lines and a plurality of sub-bit lines; a second bank having a plurality of memory cells, a plurality of word lines and a plurality of sub-bit lines; an auxiliary conductive region connected to one of the plurality of main bit lines, the auxiliary conductive region being shared by the first bank and the second bank; a first bank selection transistor for selectively connecting one of the plurality of sub-bit lines of the first bank to the auxiliary conductive region; a second bank selection transistor for selectively connecting one of the plurality of sub-bit lines of the second bank to the auxiliary conductive region; and a first bank selection line shared by the first bank selection transistor and the second bank selection transistor.