Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 11, 2009
Patent Application Number
12039942
Date Filed
February 29, 2008
Patent Primary Examiner
Patent abstract
An input/output circuit has an output terminal, a first transistor, a second transistor, a pulse generator, and a bias circuit. The first transistor drives the output terminal based on a predetermined signal. The second transistor controls a potential of the gate of the first transistor. The pulse generator outputs a pulse with a predetermined time width when a level of the predetermined signal changes. The bias circuit generates a bias voltage for controlling the second transistor when the pulse is outputted, and impressing the bias voltage to the gate of the second transistor.
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