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When errors occur which exceed the correction capability of an error correcting code, the only recourse to restore the original memory function is to physically replace the failed entity. In this paper the authors propose an automatic reconfiguration technique which uses the concept of address skewing to disperse such multiple errors into correctable errors. No additional redundancy other than that required for the error correcting code is needed. The skewing mechanism is derived using the theory of orthogonal Latin squares.
Error correction, fault-tolerant large-scale integrated (LSI) memory, Latin square.
M.Y. Hsiao, D.C. Bossen, "Orthogonal Latin Square Configuration for LSI Memory Yield and Reliability Enhancement", IEEE Transactions on Computers, vol. 24, no. , pp. 512-516, May 1975, doi:10.1109/T-C.1975.224254
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