Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1998-09-10
2000-07-18
Kim, Jung Ho
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327540, G05F 110
Patent
active
060912820
ABSTRACT:
A high voltage generating circuit is disclosed, which reduces power consumption due to unnecessary operations. The high voltage generating circuit includes a charge pump for pumping an output voltage in response to a first pump control signal and a second pump control signal which are synchronizing signals, a first level detector operated by an externally applied enable signal and for detecting a first level from the output voltage and outputting a first level signal, a first pump controller for generating a control signal using the first level signal and a reference signal, and outputting the first pump control signal using the control signal and an externally applied inverted clock signal, a second level detector operated by the control signal and for detecting a second level from the output voltage and outputting a second level signal, and a second pump controller for outputting the second pump control signal using the second level signal, the reference signal and an externally applied clock signal.
REFERENCES:
patent: 5138190 (1992-08-01), Yamazaki et al.
patent: 5276646 (1994-01-01), Kim et al.
patent: 5796293 (1998-08-01), Yoon et al.
patent: 6018264 (2000-01-01), Jim
Kim Jung Ho
LG Semicon Co. Ltd.
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