Content addressable memory for microprocessor system

Details Content addressable memory for microprocessor system Content addressable memory for microprocessor system

1987-07-13

1992-12-22

Gossage, Glenn

Static information storage and retrieval

Associative memories

Ferroelectric cell

36523001, 364956, 3649555, 3642525, 364253, G11C 1504

Patent

active

051738724

ABSTRACT:
A content addressable memory (CAM) for use with a microprocessor allows comparison of the contents of the memory with input data. The CAM further allows certain bits of input data to be ignored from comparison. This feature allows certain bits, such as a bit indicating whether read or write access is allowed to certain information, to be ignored when the system is, for example, in a supervisory mode. Also disclosed is a method of precharging a hit line, which indicates whether or not a match was found in memory during the comparison, in order to increase the speed of the comparison process.

REFERENCES:
patent: 4523301 (1985-06-01), Kadota et al.
patent: 4646271 (1987-02-01), Uchiyama et al.
patent: 4656626 (1987-04-01), Yudichak et al.

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