Oscillator and semiconductor device including the same
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United States of America Patent
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Apr 5, 2016
Grant Date -
Jan 7, 2016
app pub date -
Feb 25, 2015
filing date -
Jul 2, 2014
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Abstract
An oscillator includes a flip-flop that outputs a first signal having a phase that is inverted according to a comparison signal, a comparison circuit that compares an amplification voltage with a first reference voltage and outputs the comparison signal, a current source having an output voltage that is fixed to a second reference voltage, and an amplification circuit that generates the amplification voltage according to a current outputted from the current source and the second reference voltage.
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