Efficient Approximate Adders for Fast Arithmetic in Energy-Saving Applications

The proposed circuits are robust for designing energy-efficient full adders, crucial in approximate computing to enhance circuit efficiency. Full adders serve as essential components in arithmetic circuits, crucial for diverse computational devices. Circuits utilizing Metal Oxide Semiconductor Field Effect Transistor (MOSFET) technology are crucial in digital signal processing applications due to their significant role. The Cadence Virtuoso software is utilized to evaluate new approximate adders designed for 45nm CMOS processing with different supply voltages. The assessment focuses on metrics such as power delay product, power consumption, and transistor count.