Logic circuit

Details Logic circuit Logic circuit

1998-01-08

2000-07-04

Tokar, Michael

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Bipolar and fet

326109, 326115, 326126, H03K 19082, H03K 19094, H03K 1920

Patent

active

060844353

ABSTRACT:
A logic circuit contains a first transistor with a logic signal supplied to the base and having its collector connected to an output node. A second transistor has a collector connected to the emitter of the first transistor and an emitter connected to a reference potential, in which the collector current supplied to the first transistor corresponds to the level of the control signal supplied to the base. A p-channel insulated gate field-effect transistor is connected between the power supply and the output node, and a first bias circuit supplies a bias voltage to the gate of the p-channel insulated gate field-effect transistor as the load. An n-channel insulated gate field-effect transistor is connected between the power supply and the output node and parallel to the p-channel insulated gate field-effect transistor as the load, and a second bias circuit supplies a bias voltage to the gate of the n-channel insulated gate field-effect transistor.

REFERENCES:
patent: 4713560 (1987-12-01), Herndon
patent: 5162668 (1992-11-01), Chen et al.
patent: 5283479 (1994-02-01), Rosseel et al.

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