Technology Scaling Comparison of Flip-Flop Heavy-Ion Single-Event Upset Cross Sections
2013
Heavy-ion experimental results from flip-flops in 180-nm to 28-nm bulk technologies are used to quantify single-event upset trends. The results show that as technologies scale, D flip-flop single-event upset cross sections decrease while redundant storage node flip-flops cross sections may stay the same or increase depending on the layout spacing of storage nodes. As technology feature sizes become smaller, D flip-flop single-event upset cross sections approach redundant storage node hardened flip-flops cross sections for particles with high linear energy transfer values. Experimental results show that redundant storage node designs provide > 100X improvement in single-event upset cross section over DFF for ion linear energy transfer values below 10 MeV-cm 2 /mg down to 28-nm feature sizes.
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