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.

Date of Patent:
Jul. 13, 2010

Filed:

Oct. 05, 2006
Applicants:

Katsuya Arai, Kyoto, JP;

Toshihiro Kogami, Kyoto, JP;

Hiroaki Yabu, Kyoto, JP;

Inventors:

Katsuya Arai, Kyoto, JP;

Toshihiro Kogami, Kyoto, JP;

Hiroaki Yabu, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

The semiconductor integrated circuit device includes: a circuit to be protected connected between a power supply line and a ground line; a first resistance connected to an external input terminal at one terminal and to an input terminal of the circuit to be protected at the other terminal; a first electrostatic discharge protection circuit including a first voltage drop circuit connected to the power supply line at one terminal and to the input terminal of the circuit to be protected at the other terminal; and a second electrostatic discharge protection circuit including a second voltage drop circuit connected to the input terminal of the circuit to be protected at one terminal and to the ground line at the other terminal.


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