Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshihiro Kogami0
Hiroaki Yabu0
Katsuya Arai0
Date of Patent
August 23, 2011
Patent Application Number
12190949
Date Filed
August 13, 2008
Patent Primary Examiner
Patent abstract
A semiconductor integrated circuit includes an external pad, a ground line, a first protection circuit between the external pad and the ground line, and a second protection circuit between the external pad and the ground line. The second protection circuit is formed by a first protection element, a second protection element, and a resistor. With this structure, the resistance value of the resistor is set to an arbitrary value, so that an unnecessary current which would be generated at the time of power-off of the LSI can be decreased to a value which does not deteriorate the reliability of the LSI.
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