Complementary metal-oxide-semiconductor input circuit

Details Complementary metal-oxide-semiconductor input circuit Complementary metal-oxide-semiconductor input circuit

1986-08-18

1987-07-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307473, 307451, 307360, 307585, H03K 1708, H03K 19003, H03K 19094, H03K 17687

Patent

active

046820477

ABSTRACT:
A pull-up or pull-down resistor is connected between the CMOS circuit input and an operating potential source for defining the input potential of the unconnected circuit input and is formed by a MOS transistor circuit which is controlled from the circuit input and which is conductive between the threshold voltage of the MOS transistors of the one channel type and the threshold voltage of the MOS transistors of the other channel type. This MOS transistor circuit comprises two series-connected transistors which are controlled by two oppositely greatly asymmetrical CMOS inverters which have their inputs connected to the circuit input.

REFERENCES:
patent: 4066918 (1978-01-01), Heuner et al.
patent: 4264941 (1981-04-01), London
patent: 4302690 (1981-11-01), Gollinger et al.
patent: 4438352 (1984-03-01), Mardkha
patent: 4498021 (1985-02-01), Uya
patent: 4527077 (1985-07-01), Higuchi et al.
patent: 4594519 (1986-06-01), Ohtani et al.
patent: 4628218 (1986-12-01), Nakaizumi

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