an edge detection circuit configured to detect an edge of a pulse of a signal based on an input signal input through an input terminal, and to output a first detection signal corresponding to a first polarity edge of the detected pulse and a second detection signal corresponding to an edge of a second polarity opposite to the first polarity of the detected pulse;

a driving buffer circuit configured to output a first drive signal based on the first detection signal, and to output a second drive signal based on the second detection signal;

an isolation element configured to receive the first drive signal and the second drive signal on a primary side, to output a first edge signal based on the first drive signal from a first output on a secondary side, and to output a second edge signal based on the second drive signal from a second output on the secondary side;

a receiving inverter circuit having a first gate to which the first edge signal is input and a second gate to which the second edge signal is input, and configured to output a first received signal corresponding to the first edge signal and a second received signal corresponding to the second edge signal;

a latch circuit configured to latch data based on a pulse of the first received signal and a pulse of the second received signal, and to output an output signal to an output terminal according to the data;

a switch circuit configured to switch a state of conduction between a reference potential and the first output of the isolation element, and to switch a state of conduction between the reference potential and the second output of the isolation element; and

a control circuit configured to control a switching operation of the switch circuit by a control signal generated based on the output signal.