Programmable logic device architecture incorporating a dedicated

Details Programmable logic device architecture incorporating a dedicated Programmable logic device architecture incorporating a dedicated

1997-10-15

2000-05-09

Tokar, Michael

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 40, 326 41, G06F 738

Patent

active

060609036

ABSTRACT:
A programmable logic device architecture incorporating a cross-bar switch is disclosed. In a preferred embodiment, a plurality of logic cells is programmably interconnected to form an array of logic cells capable of implementing complex logic functions. A user selectable cross-bar switch block having dedicated programmable connectors is coupled to the array of logic cells by way of a mode control circuit switch. The mode control circuit switch is arranged to couple the dedicated cross-bar switch block to the array of logic cells in a first mode and to de-couple the cross-bar switch block from the array of logic blocks in a second mode.

REFERENCES:
patent: Re34363 (1993-08-01), Freeman
patent: 5455525 (1995-10-01), Ho et al
patent: 5498975 (1996-03-01), Cliff et al.
patent: 5550782 (1996-08-01), Cliff et al.

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