Design and Implementation of Nanotechnology QCA Geometric Greedy Router

Table 1

Comparison results of the used 2-input digital “XOR” gate.

XOR structure	Cell count	Surface (µm^2)	Crossover
[26]	60	0.08	Coplanar (rotated cells)
[27]	29	0.03	Not required
[28]	28	0.02	Coplanar
[29]	12	0.0116	Not required
[30]	13	0.01	Not required
[31]	10	0.008	Not required
Used	9	0.008	Not required