Proceedings of the 2021 Great Lakes Symposium on VLSI 2021
DOI: 10.1145/3453688.3461493
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A 4NU-Recoverable and HIS-Insensitive Latch Design for Highly Robust Computing in Harsh Radiation Environments

Abstract: This paper proposes a 4-node-upset (4NU) recoverable and high-impedance-state (HIS) insensitive latch design, namely QRHIL, for highly robust computing in harsh radiation environments. The latch mainly comprises a 5×5 looped C-element matrix to store values and provide complete 4NU recovery. Owing to the multiple-level error-interception of the 5×5 C-element matrix, the latch can recover from all possible 4NUs; thus, the latch is insensitive to HIS. Simulation results demonstrate the 4NU-recovery of the propos… Show more

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Cited by 5 publications
(10 citation statements)
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“…For a fair comparison, the ST [5], TILL [6], 5-MR, DNCSST [7], DeltaDICE [8], TNUTL [9], TNUHL [10], TNURL [11], QNUTL [3] and QRHIL [13] were designed using the same conditions in the same technology as the proposed CRLHQ latch (i.e., an advanced 22 nm CMOS technology, 0.8V supply voltage and room temperature).…”
Section: Comparisonsmentioning
confidence: 99%
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“…For a fair comparison, the ST [5], TILL [6], 5-MR, DNCSST [7], DeltaDICE [8], TNUTL [9], TNUHL [10], TNURL [11], QNUTL [3] and QRHIL [13] were designed using the same conditions in the same technology as the proposed CRLHQ latch (i.e., an advanced 22 nm CMOS technology, 0.8V supply voltage and room temperature).…”
Section: Comparisonsmentioning
confidence: 99%
“…In recent decades, many robust latches [2][3][5][6][7][8][9][10][11][12][13][14][15] have been proposed, to tolerate SNUs, DNUs, TNUs and even QNUs. Typical SNUs, DNUs, TNUs and/or QNUs tolerant latches include the ST [5], TILL [6], 5-MR extended from traditional triple-modular-redundancy (TMR), DNCSST [7], DeltaDICE [8], TNUTL [9], TNUHL [10], TNURL [11], QNUTL [3] and QRHIL [13]. In these latches, C-elements (CEs) are widely used.…”
Section: Introductionmentioning
confidence: 99%
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