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Cost Reduction and Evaluation of a Temporary Faults Detecting Technique

Auteur(s) : L. Anghel, M. Nicolaidis

Doc. Source: Design, Automation, and Test in Europe (DATE) “The Most Influential Papers of 10 Years”

Publisher : Springer

Pages : 423-438

Doi : 10.1007/978-1-4020-6488-3_31

IC technologies are approaching the ultimate limits of silicon in terms of channel width, power supply and speed. By approaching these limits, circuits are becoming increasingly sensitive to noise, which will result on unacceptable rates of soft-errors. Furthermore, defect behavior is becoming increasingly complex resulting on increasing number of timing faults that can escape detection by fabrication testing. Thus, fault tolerant techniques will become necessary even for commodity applications. This work considers the implementation and improvements of a new soft error and timing error detecting technique based on time redundancy. Arithmetic circuits were used as test vehicle to validate the approach. Simulations and performance evaluations of the proposed detection technique were made using time and logic simulators. The obtained results show that detection of such temporal faults can be achieved by means of meaningful hardware and performance cost.