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:
Aug. 11, 2009
Filed:
Aug. 28, 2007
Hideyoshi Takai, Tokyo, JP;
Takamichi Kasai, Yokohama, JP;
Hideyoshi Takai, Tokyo, JP;
Takamichi Kasai, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory deviceis proposed including an internal address generation circuit, a first internal address control signal generation part, a second internal address control signal generation part, and an internal address control signal selection circuithaving an OR gate transistor. The internal address generation circuitgenerates an internal address signal based on input address data. The first internal address control signal generation partgenerates a first internal address control signal and having a function which fixes the first internal address control signal at a predetermined level with the elapse of a fixed period of time. The second internal address control signal generation partgenerates a second internal address control signal corresponding to an input of a predetermined command. The OR gate transistortransmits either the first internal address control signal or the second internal address control signal to the internal address generation circuit