Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-02-10
1991-05-14
Hudspeth, David
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307450, 34082591, H03K 17687
Patent
active
050158856
ABSTRACT:
A user-programmable interconnect architecture, which may be used for logic arrays for digital and analog system design, is disclosed. In one embodiment, a plurality of logic cells or modules in a matrix are connected by vertical and horizontal wiring channels. The wiring channels may in turn by programmed by the user to interconnect the various logic cells to implement the required logic function. The wiring channels comprise wiring segments connected by normally open reconfigurable programmable elements situated at the intersection of any two segments to be connected. Sensing circuitry and wiring may be included to allow 100% observability of internal circuit nodes, such as module outputs, from an external pad interface.
REFERENCES:
patent: 4495427 (1985-01-01), Cartwright, Jr.
patent: 4670749 (1987-06-01), Freeman
patent: 4772811 (1988-09-01), Fujioka et al.
patent: 4774421 (1988-09-01), Hartmann et al.
patent: 4786904 (1988-11-01), Graham, III et al.
Chiang Steve S. S.
El Gamal Abbas
Actel Corporation
Hudspeth David
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