Programmable logic array for generating EOR sums of input signal

Details Programmable logic array for generating EOR sums of input signal Programmable logic array for generating EOR sums of input signal

1979-02-27

1981-02-03

Malzahn, David H.

Boots, shoes, and leggings

H03K 1920

Patent

active

042492467

ABSTRACT:
A programmable logic array (PLA) is achieved by taking various EOR sums of programmable AND term generator output signals. The EOR term generator receives externally applied logic constant signals on respective logic constant signal lines. Each logic constant signal line is coupled to the AND term generator outputs by a plurality of EOR elements which are either connected in series and controlled by different AND terms or cascaded in tree-like fashion.

REFERENCES:
patent: 3974366 (1976-08-01), Hebenstreit
patent: 3987286 (1976-10-01), Muehldorf
Varadarajan, "Universal Logic Array", IBM Tech. Disclosure Bulletin vol. 20, No. 1, Jun. 1977, pp. 189-190.

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