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SEC-DED Nonbinary Code for Fault-Tolerant Byte-Organized Memory Implemented with Quaternary Logic

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1 Author(s)
Dao, T.T. ; Fairchild Camera and Instrument Corporation

Byte-organized memory requires an error control scheme which can handle errors involving one or several entire bytes. A special parallel nonbinary single error correction and double error detection SEC-DED block code is constructed by dynamic programming. This code is optimum in the sense that it lends itself to a simple and high-speed hardware implementation either in binary or in quaternary logic. A double extension field GF(22m) of the subfield GF(2m) is then introduced. As a design example, a(80,64) SED-DED code in GF(24) is constructed.

Published in:

Computers, IEEE Transactions on  (Volume:C-30 ,  Issue: 9 )

Date of Publication:

Sept. 1981

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