Radiation tolerance of the WorldFIP fieldbus interface

This paper summarises on radiation tests on the main components for the WorldFIP fieldbus interface. The chipset based on 0.6 \mu­m technology has a total dose tolerance of 100 Gy (Co-60) and in standalone mode, no functional interrupts from single events have been observed during proton irradiation (60 MeV). The chipset based on 0.5 \mu­m technology has a total dose tolerance of 150 Gy (Co-60) but shows a sharp increase in the single event cross section after a dose of 70 Gy. Finally, it was found that the chipset based on 0.5 \mu­m technology operates reliable in standalone mode in a magnetic field up to 4.6 kGauss.