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:
Sep. 27, 2005
Filed:
Apr. 28, 2004
Masahiro Kamoshida, Yokohama, JP;
Daisaburo Takashima, Yokohama, JP;
Masahiro Kamoshida, Yokohama, JP;
Daisaburo Takashima, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory device includes a sense amplifier, a pair of bit lines connected to the sense amplifier, first and second memory cell arrays connected to the bit lines, respectively, and including a plurality of memory cells each having a cell transistor and a ferroelectric capacitor, and first and second select transistors connected to the bit lines between the sense amplifier and the first and second memory cell arrays. The device further includes a first equalizing circuit connected to the bit lines closer to the first and second memory cell arrays than the first and second select transistors.