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Issue No.07 - July (1971 vol.20)
pp: 764-775
Functional memory (FM) is a general-purpose systems technology and has been proposed as a solution to the problems of large-scale integration. It is based on an associative array, composed of writable storage cells capable of holding three states; 0, 1, and DON'T CARE. The functional memory module can be used either as a local store, control store, associative store, or logic block. In its use as a logic block, logic is performed by associative table lookup, using the DON'T CARE state to give significant compression of tables over conventional two-state arrays (typically n to n2 words for functional memory instead of 20 words for conventional two-state arrays). The basic properties of functional memory are described in [1].
Array logic, associative memory, DON'T CARE State, functional memory, LSI, microprogramming, modular memory, table lookup.
P.L. Gardner, "Functional Memory and Its Microprogramming Implications", IEEE Transactions on Computers, vol.20, no. 7, pp. 764-775, July 1971, doi:10.1109/T-C.1971.223345
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