A bus communication transceiver (LTr) comprising: an input node configured to receive an input signal; a transmission circuit configured to receive the input signal from the input node and generate a transmission signal; a bus connection node connected with an external single wire bus to transmit the transmission signal to the external single wire bus and to receive a reception signal from the external single wire bus; a reception circuit configured to receive the reception signal or the transmission signal from the single wire bus to generate an output signal; and an output node configured to output the output signal; characterized by a delay time measurement circuit configured to measure a delay time between a rising waveform of an input signal supplied to the input node and a rising waveform of an output signal generated on a basis of the supplied input signal reaching the output node, and to generate a delay time measurement result signal group showing the measurement results, wherein the transmission circuit comprises an output waveform adjustment circuit configured to adjust a voltage inclination in a falling waveform of the transmission signal generated from the input signal, based on the delay time measurement result signal group, wherein the output waveform adjustment circuit comprises: a current source circuit configured to supply currents with different current values based on the delay time measurement result signal group; and an inverter circuit configured to receive the input signal and to output intermediate signals which have different voltage inclinations based on the currents supplied from the current source circuit, wherein the transmission circuit further comprises: an output circuit configured to generate the transmission signal from the intermediate signals. an input node configured to receive an input signal; a transmission circuit configured to receive the input signal from the input node and generate a transmission signal; a bus connection node connected with an external single wire bus to transmit the transmission signal to the external single wire bus and to receive a reception signal from the external single wire bus; a reception circuit configured to receive the reception signal or the transmission signal from the single wire bus to generate an output signal; and an output node configured to output the output signal; characterized by a delay time measurement circuit configured to measure a delay time between a rising waveform of an input signal supplied to the input node and a rising waveform of an output signal generated on a basis of the supplied input signal reaching the output node, and to generate a delay time measurement result signal group showing the measurement results, wherein the transmission circuit comprises an output waveform adjustment circuit configured to adjust a voltage inclination in a falling waveform of the transmission signal generated from the input signal, based on the delay time measurement result signal group, wherein the output waveform adjustment circuit comprises: a current source circuit configured to supply currents with different current values based on the delay time measurement result signal group; and an inverter circuit configured to receive the input signal and to output intermediate signals which have different voltage inclinations based on the currents supplied from the current source circuit, a current source circuit configured to supply currents with different current values based on the delay time measurement result signal group; and an inverter circuit configured to receive the input signal and to output intermediate signals which have different voltage inclinations based on the currents supplied from the current source circuit, wherein the transmission circuit further comprises: an output circuit configured to generate the transmission signal from the intermediate signals.