Antifuse-based programmable logic circuit

Details Antifuse-based programmable logic circuit Antifuse-based programmable logic circuit

1994-09-29

1996-01-23

Hudspeth, David R.

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 39, 327525, 257 50, H03R 19177

Patent

active

054867762

ABSTRACT:
A programmable interconnect is provided that includes a first plurality of lines, a second plurality of lines, and means for connecting one of the first plurality of lines to one of the second plurality of lines, wherein the means for connecting includes an antifuse and a diode. The diode in this configuration performs the equivalent logical function as an AND gate. Programing the antifuse determines the diode-AND gate function performed. In this manner, a programmable interconnect array in accordance with the present invention, formed using standard fabrication processes, provides an area-efficient implementation of a wide AND functionality.

REFERENCES:
patent: 4229757 (1980-10-01), Moussie
patent: 4783763 (1988-11-01), Bergman
patent: 5233206 (1993-08-01), Lee et al.
patent: 5311039 (1994-05-01), Kimura et al.
patent: 5410163 (1995-04-01), Murakami

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