Table 3:
Adder comparison for delay, power, and power-delay product.
Delay (ns)
Power (mw)
PDP (pJ)
32-bit adder (Chirca)
4.15
4.68
19.4
32-bit adder (Gayles)
4.39
3.26
14.3
Our adder (32-bit)
3.4
4.2
14.28
Our adder (54-bit)
4.3
8.6
36.98