Reducing the area overhead of TMR-systems by protecting specific signals

Michael Augustin; Michael Gossel; Rolf Kraemer

doi:10.1109/IOLTS.2010.5560191

2010 IEEE 16th International On-Line Testing Symposium (IOLTS 2010)

Reducing the area overhead of TMR-systems by protecting specific signals

Year: 2010, Pages: 268-273

DOI Bookmark: 10.1109/IOLTS.2010.5560191

Authors

Michael Augustin, BTU Cottbus, Computer Science Institute, P.O. Box 10 13 44 03013 Cottbus, Germany
Michael Gossel, Potsdam University, Computer Science Institute, August-Bebel-Straße 89, 14482 Potsdam, Germany
Rolf Kraemer, IHP GmbH, System Design Department, Im Technologiepark 25, 15236 Frankfurt (Oder), Germany

Abstract

This paper presents a new method of fault-tolerant design for combinational circuits. For an arbitrary chosen subset X1 of inputs the designed system is fault-tolerant, but not necessarily for the other inputs. For all the inputs from X1 the same level of fault tolerance as for Triple Modular Redundancy (TMR) is achieved. Compared to TMR the necessary area can be significantly reduced. Since the subset X1 of inputs, for which the system is fault-tolerant, can be chosen by the designer, the proposed fault-tolerant design method is optimally adapted to the real requirements of fault tolerance.

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Reducing the area overhead of TMR-systems by protecting specific signals

Authors

Abstract

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