First Steps in Creating Online Testable Reversible Sequential Circuits

Table 2

Comparison of reversible realization of the sequential circuit in Figure 6 with replacement design method and direct design method in [26].

	Quantum cost	Ancilla input
Replacement design [26]	96	18
Direct design [26]	88	9
Present design	53	6
% improvement over replacement design [26]	44.79	66.67
% improvement over direct design [26]	39.77	33.33