IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Design of asynchronous circuits for high soft error tolerance in deep submicrometer CMOS circuits
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
A 11-transistor nanoscale CMOS memory cell for hardening to soft errors
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
SEU tolerant robust latch design
VDAT'12 Proceedings of the 16th international conference on Progress in VLSI Design and Test
High Efficiency Time Redundant Hardened Latch for Reliable Circuit Design
Journal of Electronic Testing: Theory and Applications
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In recent high-density and low-power VLSIs, soft errors occurring on not only memory systems and the latches of logic circuits but also the combinational parts of logic circuits seriously affect the operation of systems. The conventional soft error tolerant methods for soft errors on the combinational parts do not provide enough high soft error tolerant capability with small performance penalty. This paper proposes a class of soft error masking circuits by using a Schmitt trigger circuit and pass transistors. The paper also presents construction of soft error masking latches (SEM-Latches) capable of masking transient pulses occurring on combinational circuits. Moreover, experimental results show that the proposed method has higher soft error tolerant capability than the existing methods. For driving voltage VDD=3.3V, the proposed method is capable of masking transient pulses of magnitude 4.0V or less.