User programmable product term width expander

Details User programmable product term width expander User programmable product term width expander

1994-08-19

1995-11-28

Westin, Edward P.

Electronic digital logic circuitry

Multifunctional or programmable

Array

326 41, H03K 19177

Patent

active

054711550

ABSTRACT:
A product term allocation arrangement in which each of a first plurality of input conductors may be programmably joined to a first plurality of output conductors and to a first plurality of AND gates, a second plurality of input conductors may be programmably joined to a second plurality of output conductors and to a second plurality of AND gates, apparatus which may be selected to perform either an AND or an OR function connected to receive input signals from one of the first plurality of AND gates and one of the second plurality of AND gates, and a plurality of OR gates connected to receive input signals from a selected number of the apparatus connected to receive input signals from one of the first plurality of AND gates and one of the second plurality of AND gates.

REFERENCES:
patent: 4488246 (1984-12-01), Brice
patent: 4697241 (1987-09-01), Lavi
patent: 4785746 (1988-07-01), Birkner et al.
patent: 4967107 (1990-10-01), Kaplinsky
patent: 5130574 (1992-07-01), Shen et al.
patent: 5291079 (1994-03-01), Goetting

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