Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-04-05
2005-04-05
Cunningham, Terry D. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S537000
Reexamination Certificate
active
06876247
ABSTRACT:
Provided is a high voltage generator including a level detector for selecting one of a plurality of voltage sources in accordance with an option control signal and comparing the selected voltage source with a Vpp voltage; a first oscillator for generating a plurality of pulse signals having different periods, the first oscillator being operated in accordance with the option control signal; a second oscillator for generating pulse signals, the second oscillator operated in accordance with the option control signal; a first charge pump for generating the Vpp voltage by performing a pumping operation in accordance with an output of the first oscillator, the first charge pump being enabled in accordance with the option control signal; and a second charge pump for generating the Vpp voltage by performing a pumping operation in accordance with an output of the second oscillator, the second charge pump being enabled in accordance with the option control signal.
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Jang Chae Kyu
Lee Sang Kwon
Cunningham Terry D.
Hynix / Semiconductor Inc.
Marshall & Gerstein & Borun LLP
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