Block associative memory

Details Block associative memory Block associative memory

1984-10-29

1986-11-11

Popek, Joseph A.

Static information storage and retrieval

Associative memories

Ferroelectric cell

365230, G11C 1500

Patent

active

046226532

ABSTRACT:
A block associative memory includes a plurality of memory cell arrays (70 and 72) arranged in rows and columns. Addressing of memory cells in the arrays (70 and 72) loads the data contained in one row thereof into a row of sense amplifiers (74). The selected row constitutes a block of memory. The data in the accessed block is compared with key data from a key data generator (20) in an equalizer circuit (90). The data in a given row or block is arranged in word groups. Each word group is compared with the key data and a match output generated for each data word group matching the key data word group. This match is decoded to output the column location of that word. The steps of retrieving the block from memory and associating the block with the key search data is performed in a single step and then additional blocks are selected for association with the key data word.

REFERENCES:
patent: 4257110 (1981-03-01), Lamb et al.

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