Reference voltage generating circuit having step-down circuit ou

Details Reference voltage generating circuit having step-down circuit ou Reference voltage generating circuit having step-down circuit ou

1996-09-30

1998-05-26

Cunningham, Terry

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327543, 327546, 323316, G05F 110

Patent

active

057572267

ABSTRACT:
A semiconductor integrated circuit device includes a reference voltage generating circuit outputting a reference voltage from a step-up voltage, a step-up circuit stepping up the reference voltage within a range lower than an external power supply voltage and thus outputting the above step-up voltage, a step-down circuit stepping down the external power supply voltage and thus outputting a step-down voltage equal to the reference voltage, and an internal circuit receiving, as a power supply voltage thereof, the step-down voltage.

REFERENCES:
patent: 4064448 (1977-12-01), Eatock
patent: 5103158 (1992-04-01), Cho et al.
patent: 5132565 (1992-07-01), Kuzumoto
patent: 5180988 (1993-01-01), McDaniel
patent: 5352973 (1994-10-01), Audy
Concannon et al., IBM Technical Disclosure Bulletin--"Regulated On-Chip Supply Voltage Source For MOSFET Integrated Circuits", Feb. 1982, pp. 4668-4669.
Hansen, IBM Technical Disclosure Bulletin--"Voltage Regulator", Sep. 1971, p. 1050.
Dorler et al., IBM Technical Disclosure Bulletin--"Constant-Voltage Source", Sep. 1971, p. 1058.

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