Reference voltage generating circuit having a power conserving s

Details Reference voltage generating circuit having a power conserving s Reference voltage generating circuit having a power conserving s

1995-02-14

1996-10-15

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327143, 327198, 327541, G05F 302

Patent

active

055658113

ABSTRACT:
A power conserving circuit is disclosed which has a start-up circuit for initiating operation of a reference voltage generator. Included are a sensing circuit for producing a pulse signal in response to initial application of an external power source; a reference voltage generator for producing a constant reference voltage independent from an external power source voltage; and a start-up circuit for starting operation of the reference voltage generator during an interval of a pulse produced by the sensing circuit. The start-up circuit includes a switch for connecting and disconnecting the external power source to the reference voltage output port, and a voltage reducing element connected between the switch and the reference voltage output port.

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Hoi-Jun Yoo, et al.; "A Precision CMOS Voltage Reference with Enhanced Stability for the Application to Advanced VLSI's"; 1993 IEEE; pp. 1318-1321.
Official Gazette Notice of USP No. 5,243,233.

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