Method and system for operating an associative memory

Details Method and system for operating an associative memory Method and system for operating an associative memory

1978-12-08

1981-01-06

Zache, Raulfe B.

Boots, shoes, and leggings

365 49, G06F 1300, G11C 1500

Patent

active

042440335

ABSTRACT:
A method of operating an associative memory, which is provided for storing information, comprises the steps of extracting necessary information by means of access to said associative memory and updating information retained in the associative memory. In the method and system of the present invention, said associative memory comprises a data portion for storing a plurality of block information units as one module information unit, and an address array portion for storing a module address corresponding to said one module information unit, said associative memory further containing valid information arranged in conjunction with said module address in said address array portion for indicating which of said plural block information units constituting said one module information units is valid. Further, an address, with respect to which said associative memory is retrieved, is subjected to access to the address portion of said associative memory in a field shifted from a field in which said address is compared with an address read out from said address portion, and valid information is allotted in a least significant bit to each of said block information so as to obtain an increased capacity for said associative memory, and updating of information stored in said data portion is carried out in the block information unit.

REFERENCES:
patent: 3868642 (1975-02-01), Sachs
patent: 4063081 (1977-12-01), Handly et al.

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