Internal voltage generator
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United States of America Patent
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Nov 30, 2010
Grant Date -
Sep 24, 2009
app pub date -
Jun 5, 2009
filing date -
Sep 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An internal voltage generator includes a pull-up driver to pull-up drive a supply terminal of an internal voltage, a pull-down driver to pull-down drive the supply terminal of the internal voltage, a pull-up driving control unit to turn on the pull-up driver when a first feedback voltage corresponding to the internal voltage becomes lower than a reference voltage, and a pull-down driving control unit to turn on the pull-down driver when a second feedback voltage becomes higher than the reference voltage, the second feedback voltage having a voltage level corresponding to that of the internal voltage and lower than that of the first feedback voltage.
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