Reversible master-slave RS flip-flop based on reversible logical gate

Abstract

The invention relates to a reversible master-slave RS flip-flop based on a reversible logical gate. The reversible master-slave RS flip-flop comprise a first Peres gate, a second Peres gate, a reversible master flip-flop, a third Peres gate, a fourth Peres gate, and a reversible slave flip-flop, wherein a first output end of the first Peres gate is connected with a first input end of the second Peres gate; third output ends of the first Peres gate and the second Peres gate are connected with two input ends of the reversible master flip-flop respectively; a first output end of the reversible master flip-flop is connected with a second input end of the third Peres gate; the first output end of the third Peres gate is connected with a first input end of the fourth Peres gate; a second output end of the reversible master flip-flop is connected with a second input end of the fourth Peres gate; and third output ends of the third Peres gate and the fourth Peres gate are connected with the two input ends of the reversible slave flip-flop respectively. The reversible master-slave RS flip-flop has low quantum cost, few quantum gates, few junk digits and outstanding performances.

Description

technical field [0001] The invention relates to a reversible logic circuit with low power consumption in the information field, in particular to a reversible master-slave RS flip-flop based on the replacement of reversible logic gates and the reuse of garbage bits. Background technique [0002] Traditional irreversible circuits consume energy due to the erasure of information. At room temperature, although the energy loss is very small, it cannot be ignored for low-power circuit design. At the same time, the heat generated by energy consumption also affects the chip integration and the running speed of the computer. [0003] The reversible circuit is composed of reversible logic gates, the input and output bits are equal, the corresponding truth table satisfies the one-to-one mapping function, and the input and output are reversible. [0004] Theoretically, the reversible circuit does not lose input information, and there is no heat dissipation, which effectively solves the...

AI Technical Summary

Problems solved by technology

[0013] The present invention aims at the defects of existing reversible master-slave RS flip-flops, and provides a reversible master-slave RS flip-flop based on reversible logic gates with small quantum cost and few garbage bits

Images