Width-expansible memory integrity structure

Details Width-expansible memory integrity structure Width-expansible memory integrity structure

1989-11-22

1992-02-11

Beausoliel, Robert W.

Excavating

371 511, G06F 1110

Patent

active

050880926

ABSTRACT:
A width-expansible ROM/PROM memory structure includes a plurality of duplicate-type ROM/PROM data memory chips and includes a duplicate-type ROM/PROM parity memory chip. Stored data words of "n" bits can be stored in the memory chips and combined in output to provide a data output word of k.times.n data bits to provide an expanded output data word, where k is the number of data memory chips. Selection means are provided to operate with either an odd parity format or an even parity format.

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patent: 4464755 (1984-08-01), Stewart
patent: 4800535 (1989-01-01), McAlpine
patent: 4809178 (1989-02-01), Kim
patent: 4809279 (1989-02-01), Kim
patent: 4849978 (1989-07-01), Dishon

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