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:
Oct. 13, 1998
Filed:
Mar. 26, 1997
Applicant:
Inventors:
Yasuyuki Nozuyama, Tokyo, JP;
Misao Miyata, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327141 ; 327437 ; 327 23 ; 327 24 ; 327 41 ; 327262 ;
Abstract
A semiconductor integrated circuit, having circuit blocks to be evaluated in AC performance, includes a first circuit for inputting a first signal and a second signal generated in the interior of the semiconductor integrated circuit. The first circuit outputs a transient current when the first signal and the second signal change simultaneously. In the semiconductor integrated circuit, the transient current (third signal) is output to a external terminal of the semiconductor integrated circuit for evaluating the AC performance of the block.