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:
Dec. 09, 2008
Filed:
May. 22, 2007
Applicant:
Yoshinori Hashimoto, Osaka, JP;
Inventor:
Yoshinori Hashimoto, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Oska-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/00 (2006.01); H03K 19/02 (2006.01); H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
Abstract
In normal operation, an internal circuit operates in synchronism with a clock CK, so that switching operation of the output circuit is performed based on inputted data and an output enable signal. At this point, an output from the internal circuit to a three-state control circuit is forcedly set by state control circuits, whereby different test operations are performed on the output circuit.