<![CDATA[The Reversible logic plays an important role to obtain the minimal energy dissipation. It is the main requirement in the low power digital design. To implement a reversible function some additional lines are required. Sometimes it is more than the primary inputs which leads to increased size of the circuit. Hence the reducing the number of circuit lines is one of the major criterion in reversible logic. The general idea is to merge the garbage output lines with appropriate constant input lines. In this work, Toffoli gate implementation of BCD adder and press gate implementation of BCD adder is taken and an optimization algorithm has been applied to reduce the number of lines in the circuit. The kit used to implement the design is Vertex5 in which both the area and delay are analyzed.]]>
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