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Table 2 1-bit in-orbit and predicted radiation error frequencies in the MDR

From: Design of a mission network system using SpaceWire for scientific payloads onboard the Arase spacecraft

Kind of memory SEL SEU
Predict Orbit Predict Orbit
Flash-ROM Non Non 1/3 min 1/43.4 min
SRAM Non Non 1/29.9 h 1/13.2 h
SDRAM Non Non 1/175 day Non
RAM in FPGA Non Non 1/1.7 day Non