Through the literature survey of reversible vs irreversible logic, I have come to the conclusion of choosing former over the later due to low power consumption. However, when trying to implement the same on the Vivado software (using VHDL language) and Cadence Virtuoso (Schematic designing), the power is reported to be high than the irreversible logic.
Can anyone explain how do I confirm that reversible logic has low power consumption?
Yes, the power consumed in employing reversible logic gates is generally less than using irreversible logic. This is because reversible logic gates are designed to conserve energy by ensuring that the input signals can be uniquely determined from the output signals. As a result, there is no loss of information and no heat dissipation, which is the main source of energy consumption in irreversible logic gates.
However, it is important to note that reversible logic gates have some limitations, such as the requirement for extra gates to implement some functions and the need for reversible inputs and outputs. These limitations may offset the energy savings in some cases, especially for small circuits or low-power applications. Additionally, the overhead of implementing reversible logic may increase the area and delay of the circuit, which can also affect the overall power consumption.
In summary, the power consumption of reversible logic gates is generally less than using irreversible logic, but the actual energy savings depend on the specific circuit and application requirements.
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