Area-Time Efficient Self-Checking ALU Based on Scalable Error Detection Coding

In this paper, we propose a self-checking ALU based on Scalable Error Detection Coding (SEDC) algorithm which is capable of detecting 100% unidirectional errors. The SEDC encoded ALU is scalable based on the input data length. The area overhead increases only by a small factor with increase in data...

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Vydáno v:2013 Euromicro Conference on Digital System Design s. 870 - 877
Hlavní autoři: Siddiqui, Zahid Ali, Park Hui-Jong, Jeong-a Lee
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.09.2013
Témata:
Circuit faults
Computers
Delays
Encoding
Equations
error detection
Fault tolerance
Fault tolerant systems
Scalable Error Detection Codes
self-checking ALU
unidirectional error
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Shrnutí:In this paper, we propose a self-checking ALU based on Scalable Error Detection Coding (SEDC) algorithm which is capable of detecting 100% unidirectional errors. The SEDC encoded ALU is scalable based on the input data length. The area overhead increases only by a small factor with increase in data length while the computational latency remains constant irrespective of the binary data length. We show that the proposed scheme is faster and easily scalable compared with the previous implementations based on Berger and Bose-Lin codes and also more area efficient than Berger Check Prediction based ALU.
DOI:10.1109/DSD.2013.98