Multi-access memory module for data processing systems

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365230, G06F 1300, G11C 700

Patent

active

041047192

ABSTRACT:
Memory apparatus for use in a data processing system and which includes in ts entirety a number of multi-access modules each formed of a plurality of data bit cells. Each module is accessed through multiple independent channels and each channel is capable of servicing a different request during the same memory cycle. Structurally, each independent channel is coupled by a drive line to a data bit storage cell and each drive line is energizable to close a switch mechanism for connecting a read-write bit line circuit to the cell. Individual cells have their own independent bit line circuits and switch mechanisms. Thus, plural requests for a read-out of a single cell can be serviced simultaneously. Special circuitry is suggested for resolving conflicts arising in situations involving simultaneous read-write or write requests addressed to a single cell.

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patent: 3629853 (1971-12-01), Newton
patent: 3638199 (1972-01-01), Kolankowsky et al.
patent: 3638204 (1972-01-01), Kolankowsky
patent: 3642236 (1972-02-01), Kolankowsky et al.
patent: 3675218 (1972-07-01), Sechler
patent: 3761898, Pao
patent: 3812473 (1974-05-01), Tucker

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