CHARGE PUMP CIRCUIT
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
Jan 21, 2015
filing date -
Jan 29, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A charge pump circuit includes a first potential input terminal for receiving a first potential; a second potential input terminal for receiving a second potential; a pump cell group formed of a plurality of pump cells and connected in series between the first potential input terminal and the second potential input terminal; and a negative voltage boosting capacitor connected to a first connection node between the first potential input terminal and a forefront stage pump cell of the pump cell group. Each of the pump cells is configured to increase a boosted voltage using a transistor operating in synchronization with a clock signal input through a capacitor.
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