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Measurements and Simulations of Single-Event Upsets in a 28-nm FPGA
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
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2017 (English)In: PoS - Proceedings of Science, ISSN 1824-8039, E-ISSN 1824-8039, Vol. 313Article in journal (Refereed) Published
Abstract [en]

Single-event upsets in the configuration memory of the 28-nm Xilinx Kintex-7 FPGA, used in the PANDA electromagnetic calorimeter, have been studied. Results from neutron and proton irradiations at energies up to 184 MeV are presented and compared with previous experimental results. In order to gain information about the energy-dependence of the single-event upset cross section, a GEANT4-based Monte Carlo simulation of upset mechanisms in nanometric silicon volumes has been developed. The results from this model are shown to agree with the experimental data for both neutrons and protons. Knowledge about the energy dependence of the cross section and of the particle flux at the location of the front-end modules in PANDA enables better estimates of the mean time between failures in the electromagnetic calorimeter. At PANDA, a total neutron flux of 1·102 cm−2 s−1 at the location of the front-end modules is expected at the lowest antiproton beam momentum and a luminosity of 1·1031 cm−2 s−1, leading to a predicted Mean Time Between Failures of 47 ± 10 hours per FPGA in the electromagnetic calorimeter.

Place, publisher, year, edition, pages
2017. Vol. 313
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:su:diva-156544DOI: 10.22323/1.313.0096OAI: oai:DiVA.org:su-156544DiVA, id: diva2:1209749
Conference
Topical Workshop on Electronics for Particle Physics, Santa Cruz, California, 11 - 14 September, 2017
Available from: 2018-05-24 Created: 2018-05-24 Last updated: 2018-05-25Bibliographically approved
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