US Patent 7541840 Buffer circuit having electrostatic discharge protection
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Patent Inventor Names
Bongjae Kwon0
Chanhee Jeon0
Eunkyoung Kwon0
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Patent abstract
A buffer circuit includes pull up and pull down circuits configured to selectively pull up and pull down, respectively, a voltage of an input/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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US Patent 07541840 Buffer circuit having electrostatic discharge protection US Patent 7541840 Buffer circuit having electrostatic discharge protection
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Patent Number
075418400
Patent Number
75418400
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Official Website
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Patent Jurisdiction
Patent Number
075418400
Date of Patent
June 2, 2009
0Patent Application Number
118920910
Date Filed
August 20, 2007
0Official Website
Patent Primary Examiner
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US Patent 07541840 Buffer circuit having electrostatic discharge protection
Infobox
Is a
Patent jurisdiction
Patent number
07541840
Date of patent
June 2, 2009
Patent application number
11892091
Date Filed
August 20, 2007
Patent primary examiner
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