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Efficient Majority Logic Fault Detection With Difference-Set Codes for Memory Applications

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3 Author(s)
Liu, S.-F. ; Univ. Antonio de Nebrija, Madrid, Spain ; Reviriego, P. ; Maestro, Juan Antonio

Nowadays, single event upsets (SEUs) altering digital circuits are becoming a bigger concern for memory applications. This paper presents an error-detection method for difference-set cyclic codes with majority logic decoding. Majority logic decodable codes are suitable for memory applications due to their capability to correct a large number of errors. However, they require a large decoding time that impacts memory performance. The proposed fault-detection method significantly reduces memory access time when there is no error in the data read. The technique uses the majority logic decoder itself to detect failures, which makes the area overhead minimal and keeps the extra power consumption low.

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Very Large Scale Integration (VLSI) Systems, IEEE Transactions on  (Volume:20 ,  Issue: 1 )