Adiabatic logic circuit having at least one first and one second inputs (A, Ab), one first and one second outputs (S, Sb) and at least one supply and synchronisation input (Phi), with this circuit comprising: - a first logic device comprising at least one first microelectromechanical and/or nanoelectromechanical switch, referred to as first logic switch, at least partially controlled by the first input and connected to the first output and to the supply and synchronisation input (Phi), - a second logic device referred to as complementary (Fb) providing a complementary logic function of the first logic device comprising at least one second microelectromechanical and/or nanoelectromechanical switch, referred to as second logic switch, at least partially controlled by the second input and connected to the second output and to the supply and synchronisation input, characterized in that - a signal is applied to the first input or to the second input such as to position it at a high numerical value, before that the signal at the supply and synchronisation input in order to increase it to a nominal value of the supply voltage, - the logic circuit comprises first and second (Db) devices for discharging connected respectively between the first output and the supply and synchronisation input (Phi) and between the second output (Sb) and the supply and synchronisation input (Phi), said first and second (Db) devices for discharging providing a discharge at least partially of the first and second (Sb) outputs, said first and second (Db) devices for discharging comprising respectively one or several switch(es), the switch(es) being controlled, said switch(es) being microelectromechanical and/or nanoelectromechanical switch(es) (T2, T3), referred to as discharging switch. - a first logic device comprising at least one first microelectromechanical and/or nanoelectromechanical switch, referred to as first logic switch, at least partially controlled by the first input and connected to the first output and to the supply and synchronisation input (Phi), - a second logic device referred to as complementary (Fb) providing a complementary logic function of the first logic device comprising at least one second microelectromechanical and/or nanoelectromechanical switch, referred to as second logic switch, at least partially controlled by the second input and connected to the second output and to the supply and synchronisation input, characterized in that - a signal is applied to the first input or to the second input such as to position it at a high numerical value, before that the signal at the supply and synchronisation input in order to increase it to a nominal value of the supply voltage, - the logic circuit comprises first and second (Db) devices for discharging connected respectively between the first output and the supply and synchronisation input (Phi) and between the second output (Sb) and the supply and synchronisation input (Phi), said first and second (Db) devices for discharging providing a discharge at least partially of the first and second (Sb) outputs, said first and second (Db) devices for discharging comprising respectively one or several switch(es), the switch(es) being controlled, said switch(es) being microelectromechanical and/or nanoelectromechanical switch(es) (T2, T3), referred to as discharging switch.