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:
May. 19, 2009
Filed:
Jul. 16, 2007
Akira Katayama, Fuchu, JP;
Nobuaki Otsuka, Komae, JP;
Keiichi Kushida, Kawasaki, JP;
Osamu Hirabayashi, Tokyo, JP;
Akira Katayama, Fuchu, JP;
Nobuaki Otsuka, Komae, JP;
Keiichi Kushida, Kawasaki, JP;
Osamu Hirabayashi, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory device includes a first inverter circuit and a second inverter circuit, a first transfer gate which is connected between a first power node of the first inverter circuit and a first bit line, a second transfer gate which is connected between a second power node of the second inverter circuit and a second bit line, a first word line connected to gate terminals of the first transfer gate and the second transfer gate, a first read transistor connected between the first power node and a second word line, a second read transistor connected between the second power node and the second word line, and an application circuit which is connected to the second word line, and applies a read voltage to the second word line in reading data.