Associative memory

Details Associative memory Associative memory

1977-04-06

1979-07-31

Shaw, Gareth D.

Boots, shoes, and leggings

365 49, G06F 704, G11C 1500

Patent

active

041632885

ABSTRACT:
A high capacity associative read/write memory is provided which includes storage means which can be read from or written into and having memory units of equal capacity each containing an equal and predetermined number of levels. Addressing means are coupled to the memory for addressing the data locations in the memory. A first comparator compares the content of the memory addressed (the data descriptor word) with the words read from the associative memory and a second comparator compares the content of the words read from the associative memory with the content of a descriptor containing the memory word to be invalidated. The number of comparators is equal to twice the number of memory levels multiplied by the number of memory units and is independent of the capacity of the memory. The outputs of the comparators are multiplexed to enable it to be used in the normal mode or in an associative mode.

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patent: 3781808 (1973-12-01), Ahearn et al.
patent: 3958225 (1976-05-01), Turner et al.
patent: 3967247 (1976-06-01), Andersen et al.
patent: 3979726 (1976-09-01), Lange et al.

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