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Table 2 Power, delay, area, and FOM of word-voter based TMR, and various TMR and QMR realizations without and with the proposed system health monitor, considering a 4-bit ALU for the function modules

From: ASIC-based design of NMR system health monitor for mission/safety–critical applications

System configuration Power (µW) Delay (ns) Area (µm2) FOM × 106
TMR 38.33 0.75 477.79 72.81
TMR_WV 46.06 1.01 605.62 35.49
TMR_SHM 52.30 1.03 675.77 27.47
QMR 69.86 0.82 860.02 20.30
QMR_SHM 106 1.25 1380.51 5.47