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:
Feb. 06, 2007
Filed:
Mar. 24, 2004
Applicants:
Tadayoshi Nakano, Hyogo, JP;
Takashi Nasu, Hyogo, JP;
Inventors:
Tadayoshi Nakano, Hyogo, JP;
Takashi Nasu, Hyogo, JP;
Assignee:
Renesas Technology Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
An output voltage of a VDC circuit is subjected to A/D conversion with an on-chip A/D converter. Accordingly, an output voltage VDCout of the VDC circuit can be observed as a digital value, which facilitates measurement. Reduction in the number of terminals leads to reduction in chip size. In addition, the terminal that has been used for providing voltage VDCout can be used for other purposes. Therefore, a semiconductor integrated circuit allowing for easy mass production test and reduced number of man-hours in the mass production test can be provided.