Design of Efficient Full Adder in Quantum-Dot Cellular Automata

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="250802.fig.009a" src="https://static.hindawi.com/articles/tswj/volume-2013/250802/figures/250802.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Implementation of 4-bit RCA using the proposed 1-bit full adder</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="250802.fig.009b" src="https://static.hindawi.com/articles/tswj/volume-2013/250802/figures/250802.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Simulation result of 4-bit RCA</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="250802.fig.009c" src="https://static.hindawi.com/articles/tswj/volume-2013/250802/figures/250802.fig.009c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Implementation of 8-bit RCA using the proposed 1-bit full adder</td></tr></table></td></tr></table>

<table>QCA implementation of different ripple carry adder (RCA) circuits with the proposed 1-bit full adder.</table>

The Scientific World Journal

Design of Efficient Full Adder in Quantum-Dot Cellular Automata

Figure 9