Semiconductor device for charge pumping

Details Semiconductor device for charge pumping Semiconductor device for charge pumping

2011-04-19

2011-04-19

Nguyen, Hai L (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07928795

ABSTRACT:
Provided is a semiconductor device for performing charge pumping. The semiconductor device may include a first pumping unit, a second pumping unit, and a controller. The first pumping unit may be configured to output a boosted voltage via an output node by using a first input signal and the initial voltage, where the boosted voltage is greater than an initial voltage. The second pumping unit may be configured to output the boosted voltage via the output node by using a second input signal and the initial voltage. The controller may be configured to control the first and second pumping units. Each of the first and second pumping units may include an initialization unit, a boosting unit, and a transmission unit. The initialization unit may be configured to control a voltage of a boosting node to be equal to the initial voltage during an initialization operation. The boosting unit may be configured to boost the voltage of the boosting node based on the first and second input signals. Also, the transmission unit may be configured to control output of the boosted voltage.

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patent: 2006/0087365 (2006-04-01), Cordoba et al.
patent: 2005-278378 (2005-10-01), None
patent: 10-0340866 (2002-06-01), None

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