Content addressable memory device and a method of disabling a co

Details Content addressable memory device and a method of disabling a co Content addressable memory device and a method of disabling a co

1993-07-01

1995-02-07

Popek, Joseph A.

Static information storage and retrieval

Associative memories

Ferroelectric cell

36518907, 364DIG2, 364956, G11C 1500

Patent

active

053880668

ABSTRACT:
A data storing circuit including memory cells arranged in a plurality of rows and columns and flag cells corresponding to respective rows for storing flag information, the memory cells and the flag cell of the same row constituting one word, is provided. When a retrieval data is externally applied, the data included in the retrieval data is compared with the data of the memory cell, and the flag information stored in the retrieval data is compared with the flag stored in the flag cell. Respective results of comparison are output to a match line. Logical operation circuit carries out logical operation dependent on the result of comparison output to the match line, and writes the logical output to the flag cell of the data storing circuit.

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