Interface device, related method, and related open-drain device
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United States of America Patent
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Jul 4, 2017
Grant Date -
Jun 30, 2016
app pub date -
Dec 7, 2015
filing date -
Dec 25, 2014
priority date (Note) -
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Abstract
An interface device may include a first transistor, a pull-up unit, a pull-down unit, a first power supply terminal, a ground terminal, an output signal terminal, and a bias unit. A first gate terminal of the pull-up unit is electrically connected to a source terminal of the first transistor. A drain terminal of the pull-down unit is electrically connected to a drain terminal of the first transistor. The first power supply terminal is electrically connected to a source terminal of the pull-up unit. The ground terminal is electrically connected to a source terminal of the pull-down unit. The output signal terminal is electrically connected to each of a drain terminal of the pull-up unit and the drain terminal of the pull-down unit. An output terminal of the bias unit is electrically connected, without any intervening transistor, to a gate terminal of the first transistor.
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