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A Practical Circuit for Integral Majority-Voting Logic Elements
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English
Abstract
As an introduction, the paper shows that for spacecraft systems to be designed for the next generation of scientific missions, the system complexity and long life requirements produce reliability criteria which can not be met by either current satellite logic circuitry nor application of redundant sets of such circuitry.
The paper then describes a circuit composed of available integrated circuits along with a passive voter circuit and providing majority voting at the logic element level. This circuit is analyzed both from reliability and performance standpoints to show that approximately two to three orders of magnitude improvement in reliability without any significant degradation in performance is realizable.
Authors
Citation
Stoffel, R. and Donaldson, J., "A Practical Circuit for Integral Majority-Voting Logic Elements," SAE Technical Paper 670632, 1967, https://doi.org/10.4271/670632.Also In
References
- Dickinson W. E. Walker R. M. “Reliability Improvement by the use of Multiple-Element Switching Circuits.” IBM Journal of Research and Development 2 April 1958
- Janusz J. S. Pace R. C. Stoffel R. W. “Reliability Investigation of the use of Redundancy in Digital Logic Circuits.” Martin Marietta Internal Report 493/B1025 March 1962
- Amarel S. Brzozowski J. A. “Theoretecal Considerations on Reliability Properties of Recursive Triangular Switching Networks.” Redundancy Techniques for Computing Systems, Spartan Books 1962
- James D. C. Kent A. H. Holloway J. A. “Redundancy and the Detection of First Failure,” Paper presented at Wescon August 1961