Internal voltage generation circuit
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United States of America Patent
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May 21, 2013
Grant Date -
Nov 1, 2012
app pub date -
Jul 21, 2011
filing date -
Apr 27, 2011
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An internal voltage generation circuit includes a first detection unit, a second detection unit, a control unit, and a voltage pumping unit. The first detection unit compares an internal voltage with a first reference voltage to generate a first detection signal when the first detection unit is activated in response to a first enable signal. The second detection unit compares the internal voltage with a second reference voltage to generate a second detection signal. The control unit generates the first enable signal and a second enable signal in response to the first detection signal and the second detection signal. The voltage pumping unit generates the internal voltage in response to the second enable signal.
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