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. 07, 2010
Filed:
Aug. 13, 2007
Takahiro Suzuki, Chigasaki, JP;
Shinya Fujisawa, Hino, JP;
Tokumasa Hara, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory device includes a semiconductor memory, an auto-operation control circuit which outputs a clock signal, a sync read control circuit which outputs a sync read address in sync with the clock signal, a read control circuit which selects a read address of the semiconductor memory in accordance with an address of the sync read address, a read sense amplifier circuit which outputs a data read signal that is produced by sensing data that is read out of the semiconductor memory in accordance with the read address, and a determination circuit which compares the data read signal with an expectation value.