An Efficient Design of QCA Full-Adder-Subtractor with Low Power Dissipation

Table 4

Power analysis results of the proposed 3-input XOR gate and previously reported designs.

Three-input XOR gate	Leakage energy dissipation			Switching energy dissipation			Total energy dissipation
	0.5 EK	1 EK	1.5 EK	0.5 EK	1 EK	1.5 EK	0.5 EK	1 EK	1.5 EK
Ref [47]	11.51	31.91	54.69	35.78	30.48	25.66	47.29	62.39	80.34
Ref [20]	19.65	59.28	106.51	126.79	112.29	97.95	146.44	171.57	204.47
Ref [48]	10.78	28.57	48.15	25.43	21.71	18.4	36.20	50.28	66.58
|Ref [48]	9.73	29.7	52.78	40.08	33.73	28.05	49.81	63.49	80.83
Ref [22]	1.54	4.85	8.27	10.58	9.32	8.02	12.11	14.17	16.28
Proposed XOR	1.32	3.76	7.15	9.11	8.49	7.17	10.43	12.25	14.32