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

Table 2

Comparison results of parity generators.

Circuit	No of bits	Cell count	Area (μm^2)	Clock no.cycle
[28]	4	187	0.32	2.75
	8	465	0.92	4
	16	1024	2.41	5.25
	32	2220	5.96	6.5
[29]	4	168	0.28	2.75
	8	408	0.8	4
	16	912	2.09	5.25
	32	1968	5.16	6.5
[30]	4	188	0.2	2.25
	8	369	0.49	2.25
	16	847	1.46	3.25
	32	1862	3.58	4.25
[25]	4	111	0.14	2
	8	269	0.43	3
	16	603	1.13	4
	32	1,312	2.81	5
[23]	4	87	0.10	1.75
	8	213	0.30	2.75
	16	480	0.81	3.75
	32	1,044	2.08	4.75
Proposed design	4	37	0.05	1.5
	8	97	0.18	2.5
	16	227	0.50	3.5
	32	511	1.3	4.5