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:
Jan. 11, 2011
Filed:
Jan. 23, 2007
Applicants:
Masanori Tanaka, Kanagawa, JP;
Morihisa Hirata, Kanagawa, JP;
Hitoshi Okamoto, Kanagawa, JP;
Inventors:
Assignee:
Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a semiconductor integrated circuit device that includes an output circuit with power thereof supplied from one power supply system, an input circuit with an input terminal thereof connected to an output terminal of the output circuit through a signal line and with power thereof supplied from other power supply system different from the one power supply system, and a circuit that restrains a current flowing from the output circuit into the signal line when an ESD stress is applied from the output circuit to a signal transmitting/receiving portion of the input circuit.