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Concurrent Error Detection in Multiply and Divide Arrays

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2 Author(s)
Patel, J.H. ; Coordinated Science Laboratory and the Department of Electrical Engineering, University of Illinois ; Fung, L.Y.

A method proposed for concurrent error detection in ALU's is used in the design of multiplier and divider arrays. This method, called recomputing with shifted operands (RESO), can detect all errors caused by failures confined to a cell of the cellular array. The assumption that the failures are confined to a small area of an integrated circuit and the precise nature of the failures is not known is very applicable to VLSI circuits. RESO uses time redundancy for error detection and requires only a small increase in the hardware of a multiply and divide array.

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Computers, IEEE Transactions on  (Volume:C-32 ,  Issue: 4 )