An Ultra-Low Power Parity Generator Circuit Based on QCA Technology

Table 1

Comparison of the proposed exclusive-OR gate with the previous work.

Circuit	Cell count	Area (μm^2)	Clock no.cycle	Crossover type
XOR [28]	60	0.09	1.5	Coplanar
XOR [29]	54	0.08	1.5	Coplanar
XOR [30]	67	0.06	1.25	Coplanar
XOR [25]	37	0.03	1	Not required
XOR [24]	36	0.03	0.75	Not required
XOR [23]	28	0.02	0.75	Not required
XOR [22]	13	0.012	0.5	Not required
XOR [22]	12	0.011	0.5	Not required
Proposed XOR	9	0.01	0.5	Not required