Programmable application specific integrated circuit and logic c

Details Programmable application specific integrated circuit and logic c Programmable application specific integrated circuit and logic c

1991-03-06

1992-06-16

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307465, 307243, H03K 19177

Patent

active

051226855

ABSTRACT:
A field programmable gate array includes a programmable routing network, a programmable configuration network integrated with the programmable routing network; and a logic cell integrated with the programmable configuration network. The logic cell includes four two-input AND gates, two six-input AND gates, three multiplexers, and a delay flipflop. The logic cell is a powerful general purpose universal logic building block suitable for implementing most TTL and gate array macrolibrary functions. A considerable variety of functions are realizable with one cell delay, including combinational logic functions as wide as thirteen inputs, all boolean transfer functions for up to three inputs, and sequential flipflop functions such as T, JK and count with carry-in.

REFERENCES:
patent: 4642487 (1987-02-01), Carter
patent: 4786904 (1988-11-01), Graham et al.
patent: 4873459 (1989-10-01), El Gamal et al.
patent: 5055718 (1991-10-01), Galbraith et al.
Khaled A. El-Ayat et al., "A CMOS Electrically Configurable Gate Array", IEEE Journal of Solid-State Circuits, vol. 24, No. 3, Jun. 1989, pp. 752-761.

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