Power supply circuit for driving an integrated circuit, wherein

Details Power supply circuit for driving an integrated circuit, wherein Power supply circuit for driving an integrated circuit, wherein

1996-08-21

1998-03-24

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327262, 327513, 327540, 327530, 323907, G05F 110

Patent

active

057317356

ABSTRACT:
In a power supply circuit for driving one IC chip on which first and second semiconductor circuit sections are formed integrally with each other as an IC, and wherein the first semiconductor circuit section has a delay circuit formed by an IC for giving a highly accurate delay time to a signal propagating through the delay circuit, and the delay time of the delay circuit varies with a change in the power consumption of the second semiconductor circuit section and a fluctuation in the power supply voltage which is supplied to the first semiconductor circuit section, there are provided a first power supply circuit for supplying an operating voltage to the first semiconductor circuit section and a second power supply circuit for supplying an operating voltage to the second semiconductor circuit section and for controlling to change the output voltage of the first power supply circuit. In response to a change in the power consumption of the second semiconductor circuit section, the second power supply circuit controls the output voltage of the first power supply circuit in such a manner as to cancel a variation in the delay time of the delay circuit of the first semiconductor circuit section which is caused by a temperature change.

REFERENCES:
patent: 5081380 (1992-01-01), Chen
patent: 5130582 (1992-07-01), Ishihara et al.

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