Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bongjae Kwon0
Chanhee Jeon0
Eunkyoung Kwon0
Date of Patent
September 18, 2007
Patent Application Number
10986771
Date Filed
November 15, 2004
Patent Primary Examiner
Patent abstract
The buffer circuit includes pull up and pull down circuits configured to selectively pull up and pull down, respectively, a voltage of an put/output pad. The pull up and pull down circuits are connected to separate power supply lines such that a current path from the input/output pad to the pull down circuit through the pull up circuit does not exist when electrostatic discharge is received at the input/output pad.
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