Design and Implementation of ALU Using Graphene Nanoribbon Field-Effect Transistor and Fin Field-Effect Transistor

Table 9

Performance comparison of DCHAS with existing adders and subtractors.

Method	GAEAS [19]	FHAS [20]	CNTFET-AS [21]	MRAS [23]	DCHAS
APC (nw)	20.52005	17.74946	14.33664	3.868393	2.3512
SRD (ns)	77.93229	72.1513	71.85569	70.6682	13.3424
SFD (ns)	157.8817	144.7532	144.4997	143.3477	27.0656
CORD (ps)	121.7061	92.18157	91.50776	18.34141	3.46304
COFD (ps)	90.38475	85.89992	78.74883	17.52268	3.3084
PD (ns)	97.63726	86.86354	73.54674	72.78598	13.7424
TC (nA)	71.34418	58.40267	51.30014	49.59243	9.3608
SPC (nw)	53.90698	42.59567	36.01262	22.89505	4.32288
TEC (nJ)	65.55521	54.60326	43.52234	8.703743	1.64344
SNM	61.45437	50.05322	49.70255	33.08915	6.24776