Three-input exclusive NOR circuit

Details Three-input exclusive NOR circuit Three-input exclusive NOR circuit

1997-09-17

1999-08-10

Santamauro, Jon

Electronic digital logic circuitry

Exclusive function

Exclusive nor

326 55, 326113, H03K 1921

Patent

active

059364270

ABSTRACT:
A three-input exclusive NOR circuit having three signal paths provided between three input terminals and three-input exclusive OR node, each of the signal paths having two first conduction type transistors connected in series, said two first conduction type transistors being in conductive state when a low level signal is applied to the gate terminal of the transistor; and three signal paths provided between three input terminal and three-input exclusive OR node, each of the signal paths having two second type transistors being in conductive state when a high level signal is applied to the gate terminal of the transistors, wherein two input signals other than the input signal to a signal path is respectively supplied to the gate terminals of two of the first and second conduction type transistors.

REFERENCES:
patent: 4559609 (1985-12-01), Robinson, Jr. et al.
patent: 4575648 (1986-03-01), Lee
patent: 4749887 (1988-06-01), Sanwo et al.
patent: 4888499 (1989-12-01), Sanwo et al.

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