Multiple-function programmable logic arrays

Details Multiple-function programmable logic arrays Multiple-function programmable logic arrays

1979-10-09

1982-09-07

Zache, Raulfe B.

Boots, shoes, and leggings

307465, H03K 1900, H03K 1908

Patent

active

043487378

ABSTRACT:
A programmable logic array which uses random-access memories to replace read only memories conventionally used in programmable logic arrays. The programmable logic array includes input and output terminals, an input register connected to the input terminals, an output register connected to the output terminals, first and second random-access memories, addressing means for sequentially and cyclically reading the random-access memories, a buffer register having an input to the output of the second random-access memory and an output connected to the input of the output register, a comparator having a first input connected to the output of the first random-access memory and a second input connected to the output of the input and output registers, the output of the comparator controlling the transfer of the contents of the buffer register and means for resetting the buffer register.

REFERENCES:
patent: 3983538 (1976-09-01), Jones
patent: 4037089 (1977-07-01), Horninger
patent: 4153943 (1979-05-01), Anderson

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