On board electronic devices safety provided by DICE-based Muller C-elements

Space radiation interacting with electronic components of on-board computing or navigation unit can bring to it's malfunction. Using error tolerant electronic components is a key factor ensuring safety of Space missions. The Muller C-element is one of the main part of the asynchronous circuits...

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Bibliographic Details
Published in:Acta astronautica 2018-09, Vol.150, p.28-32
Main Authors: Danilov, I.A., Gorbunov, M.S., Shnaider, A.I., Balbekov, A.O., Rogatkin, Y.B., Bobkov, S.G.
Format: Article
Language:English
Subjects:
Asynchronous circuits
C-element
CMOS
Computer simulation
Dual interlocked cell
Electronic components
Electronic devices
Extraterrestrial radiation
Flight simulation
Navigation
Navigation systems
Radiation
Radiation hardening by design
Safety
Single event upset
Single event upsets
Soft error
Space exploration
Space missions
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Summary:Space radiation interacting with electronic components of on-board computing or navigation unit can bring to it's malfunction. Using error tolerant electronic components is a key factor ensuring safety of Space missions. The Muller C-element is one of the main part of the asynchronous circuits and also can be found in synchronous ones. Being sequential by its nature, it is vulnerable to single event upsets. We propose three CMOS circuit implementations of a soft error tolerant Muller C-element, whose tolerance is achieved by using of the well-known DICE-principle and is proved by SPICE simulations.
ISSN:0094-5765
1879-2030
DOI:10.1016/j.actaastro.2018.01.019