Content addressable memory and method of use thereof

Details Content addressable memory and method of use thereof Content addressable memory and method of use thereof

1993-09-28

1995-04-11

LaRoche, Eugene R.

Static information storage and retrieval

Associative memories

Ferroelectric cell

395 24, G11C 1500

Patent

active

054065089

ABSTRACT:
In a content addressable memory, a plurality of non-volatile memory cells each are provided in conjunction with the associated one of a plurality of match lines, thresholds of the plurality of non-volatile memory cells are selectively altered on the basis of a teacher-signal, and in read out of data, selected is a match line associated with a non-volatile memory cell having a maximum weight, if the match signal appears on a plurality of match lines, the thresholds of the non-volatile memory cells being treated as the weights, thereby reading out data which has been stored in the word memory involved in the maximum weight.

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Robinson et al., "A Modular VLSI Design of a CMOS Hamming Network", Proc. International Symposium Circuits and Systems, Jun. 1991, pp. 1920-1923.

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