Programmable logic circuit

Details Programmable logic circuit Programmable logic circuit

1992-02-21

1993-10-26

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307468, H03K 19173

Patent

active

052569187

ABSTRACT:
A programmable logic circuit has a data transfer circuit, fundamental programmable logic circuits, programmable wiring circuits, a decoder circuit, and an input/output circuit. The data transfer circuit outputs serial program data in a parallel manner. Each of the fundamental programmable logic circuits includes first data storage sections arranged in a matrix pattern. The signal output states of these first data storage sections are programmed in accordance with parallel data supplied from the data transfer circuit, and a logic circuit pattern is programmed in accordance with at least outputs of the first data storage sections. The programmable wiring circuits are arranged in adjacent to the fundamental programmable logic circuits and provide connection lines between the fundamental programmable logic circuits. Each of the programmable wiring circuits includes second data storage sections arranged in a matrix pattern. The signal output states of these second data storage sections are programmed in accordance with the parallel data supplied from the data transfer circuit, and switches located between the connection lines are selected or controlled in accordance with outputs of the second storage sections. The decoder circuit causes the first and second storage sections to store data output from the data transfer circuit in response to address designation.

REFERENCES:
patent: 4796229 (1989-01-01), Greer, Jr.
patent: 4876466 (1989-10-01), Kondou et al.
patent: 5132570 (1992-07-01), Shoutou

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