Mitigation techniques for single event induced charge sharing in a 90 nm bulk CMOS process

Mitigation techniques to reduce the increased SEU cross-section associated with charge sharing in a 90 nm DICE latch are proposed. The increased error cross-section is caused by heavy ion angular strikes depending on the directionality of the ion vector, thereby exacerbating charge sharing among mul...

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Hauptverfasser: Amusan, O.A., Massengill, L.W., Baze, M.P., Bhuva, B.L., Witulski, A.F., Black, J.D., Balasubramanian, A., Casey, M.C., Black, D.A., Ahlbin, J.R., Reed, R.A., McCurdy, M.W.
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creator Amusan, O.A.
Massengill, L.W.
Baze, M.P.
Bhuva, B.L.
Witulski, A.F.
Black, J.D.
Balasubramanian, A.
Casey, M.C.
Black, D.A.
Ahlbin, J.R.
Reed, R.A.
McCurdy, M.W.
description Mitigation techniques to reduce the increased SEU cross-section associated with charge sharing in a 90 nm DICE latch are proposed. The increased error cross-section is caused by heavy ion angular strikes depending on the directionality of the ion vector, thereby exacerbating charge sharing among multiple circuit nodes. The use of nodal separation as a mitigation technique shows an order of magnitude decrease on upset cross-section compared to a conventional layout and the use of guard-rings show no noticeable effect on upset cross-section.
doi_str_mv 10.1109/RELPHY.2008.4558930
format Conference Proceeding
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The increased error cross-section is caused by heavy ion angular strikes depending on the directionality of the ion vector, thereby exacerbating charge sharing among multiple circuit nodes. The use of nodal separation as a mitigation technique shows an order of magnitude decrease on upset cross-section compared to a conventional layout and the use of guard-rings show no noticeable effect on upset cross-section.</abstract><pub>IEEE</pub><doi>10.1109/RELPHY.2008.4558930</doi><tpages>5</tpages></addata></record>
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects charge sharing
Circuit synthesis
CMOS process
Dual Interlocked Cell (DICE) latch
guard-rings
heavy-ion
Isolation technology
Latches
MOS devices
MOSFETs
nodal separation
Rails
Redundancy
single event circuit characterization
Single event upset
soft error cross-section
Space charge
title Mitigation techniques for single event induced charge sharing in a 90 nm bulk CMOS process
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