Integrated circuit substrate bias selection circuit

Details Integrated circuit substrate bias selection circuit Integrated circuit substrate bias selection circuit

1985-03-12

1987-08-11

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307200B, 307363, 307496, G05F 316

Patent

active

046863885

ABSTRACT:
A circuit for selecting one of a plurality of positive voltages when both can be applied to an integrated circuit. The circuit comprises a sensing apparatus for determining which of the plurality of voltages is the highest, apparatus for providing the highest voltage to the substrate and apparatus for applying the highest of the plurality of voltages to the substrate to insure protection and proper operation of the integrated circuit.

REFERENCES:
patent: 4324991 (1982-04-01), Tamaki
patent: 4463270 (1984-07-01), Gordon
patent: 4473758 (1984-09-01), Huntington
patent: 4499388 (1985-02-01), Adam
patent: 4556804 (1985-12-01), Dewitt

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