Semiconductor integrated circuit device
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United States of America Patent
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Apr 23, 2013
Grant Date -
Oct 20, 2011
app pub date -
Feb 24, 2011
filing date -
Apr 16, 2010
priority date (Note) -
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Abstract
In one embodiment, a semiconductor integrated circuit includes a power source circuit connected to a terminal of a first high potential side power source and outputs a voltage of a second high potential side power source, and an output transistor outputting an output signal to an output terminal. A cathode of a first diode is connected to the terminal of the first high potential side power source and an anode thereof is connected to the output terminal. A current source and a capacitor are connected between a terminal of the second high potential side power source and the terminal of a low potential side power source. A signal from a connection node of the current source and the capacitor and a control signal are inputted to a logic circuit, and the logic circuit outputs a signal obtained by a logic operation to the control terminal of the output transistor.
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