Logic element and article comprising the element

Details Logic element and article comprising the element Logic element and article comprising the element

1990-04-25

1991-03-12

Mintel, William

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 36, 307445, 307450, 307448, 307446, H01L 29161

Patent

active

049996878

ABSTRACT:
Disclosed are a novel logic element (designated NORAND), and articles that comprise the element. Exemplarily, the NORAND element comprises three input terminals and an output terminal. If one of the input terminals is at logic 0 then the element functions as a logic NOR unit, and if the terminal is at logic 1 the element functions as a logic AND unit. The novel element thus makes possible reprogrammable and/or self-organizing logic circuits. The NORAND element can be realized with a single active semiconductor device, exemplarily a real space transfer (RST) device.

REFERENCES:
patent: 4286177 (1981-08-01), Hart et al.
patent: 4712022 (1987-12-01), Vu
patent: 4853753 (1989-08-01), Capasso et al.
patent: 4857771 (1989-08-01), Ovens et al.
patent: 4896057 (1990-01-01), Yang et al.
"Heterojunction Band Discontinuities: Physics and Device Applications", F. Capasso et al., editors, Elsevier 1987, pp. 513-537.

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