Radiation-hardened configuration context realizationfor field programmable gate arrays
2020
In space environments and at nuclear power plants, data can be
destroyed by radiation, even data recorded on flash memories. To realize a
radiation-hardened configuration context for field programmable gate
arrays (FPGAs) under such radiation environments, this paper presents a
proposal of a method to increase the radiation tolerance of configuration
contexts used for FPGAs by introducing a holographic memory technology and
a new FPGA architecture. When reading a configuration context from
holographic memory, the context robustness depends on the number of bright
bits on the configuration context. Our proposed method exploits that
holographic memory property and uses a new FPGA architecture to fit the
property to increase the radiation tolerance of configuration contexts
from holographic memory. This paper presents simulation results and an
experimental demonstration result.
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