Semiconductor supply incorporating internal power supply for com

Details Semiconductor supply incorporating internal power supply for com Semiconductor supply incorporating internal power supply for com

1990-11-05

1992-02-04

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307310, 323314, 323907, H03K 1714

Patent

active

050862383

ABSTRACT:
A semiconductor integrated circuit includes a semiconductor chip, a power supply terminal provided on the semiconductor chip for receiving a voltage from an external power supply source, an internal circuit provided on the semiconductor chip, a power supply circuit provided on the senmiconductor chip for transforming an external power supply voltage received from the power supply terminal for supplying a source voltage resulting from the voltage transformation to the internal circuit. A control circuit provided on the semiconductor chip controls the power supply circuit, wherein the control circuit includes external power supply voltage detector and/or temperature detector and responds to the signal from the external power supply voltage detector by changing the power supply voltage to the internal circuit. Thus, the operating speed of the internal circuit is kept substantially constant.

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