9T Full Adder Design in Subthreshold Region

Table 2

No. of power consuming transitions at different internal nodes.

Figure 1			Figure 2			Proposed 9T (Figure 3)
N1	N2	N3	N1	N2	N3	N1	N2	N3
1	4	3	1	3	3	2	2	3
Total=8			Total=7			Total=7