Semiconductor integrated circuit device with a fail-safe IO circuit and electronic device including the same
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United States of America Patent
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Feb 2, 2010
Grant Date -
Feb 14, 2008
app pub date -
Jul 13, 2007
filing date -
Aug 11, 2006
priority date (Note) -
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Abstract
A semiconductor IC device includes at least one IO port, a core logic, and at least one fail-safe IO circuit, the fail-safe IO circuit being coupled between the core logic and the IO port, wherein the fail-safe IO circuit is configured to receive a predetermined control signal and to maintain the IO port at a predetermined impedance with respect to the predetermined control signal.
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