To provide an inexpensive integrated circuit device by suppressing the increase of a chip area while allowing the integrated circuit device to have sufficient resistance to static electricity.

This integrated circuit device is provided with at least an inner circuit and an outer circuit, and provided with an input signal line for connecting an outer terminal HCF with the inner circuit (a bipolar transistor Q1 for removing normal currents) for controlling the operation of the inner circuit according to an input signal from the outer terminal HCF, and an output signal line for connecting the outer terminal HCF through a serial serge protecting resistor element RESD11 with the inner circuit HAF for outputting positive or negative currents to the outer terminal HCF.