Programmable architecture logic

Details Programmable architecture logic Programmable architecture logic

1981-07-20

1984-07-03

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307454, 364716, H03K 1760, H03K 19086

Patent

active

044581637

ABSTRACT:
A programmable logic device is disclosed which contains additional circuitry allowing the architecture to be programmed. Operating as an input circuit or as an output circuit, the logical function of the device is selected to operate as a buffer, latch or register. When fabricated as a portion of a programmable logic array, the architecture is modified to the desired configuration by fusible connections which conduct normal operating current until overloaded by selective programming. Thereafter, the data path through the array is programmed in a normal fashion. The programmable architecture circuitry is readily fabricated in an integrated circuit form in conjunction with a programmable logic array.

REFERENCES:
patent: 3987287 (1976-10-01), Cox et al.
patent: 4041459 (1977-08-01), Horninger
patent: 4157480 (1979-06-01), Edwards
patent: 4207556 (1980-06-01), Sugiyama et al.
patent: 4240094 (1980-12-01), Mader
Larson and Downey, "Field Programmable Logic Devices", Electronic Engineering, 1-1980, pp. 37-54.
Texas Instruments Incorporated, 1981 Supplement to the TTL Data Book, p. 316.

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