The X9315WMIT1 is a digitally controlled potentiometer IC manufactured by Xicor. It features non-volatile memory which allows it to retain its settings even when power is removed. The X9315WMIT1 has a 3-wire serial interface for easy communication with a microcontroller or other digital circuit. It has a total resistance of 10k ohms and can be used in a variety of applications such as liquid crystal display (LCD) contrast control, audio volume control, and power supply adjustment. The X9315WMIT1 also has an ultra-low standby current of just 3µA, making it ideal for battery-powered devices. Its small form factor and low cost make it a popular choice for designers looking for a compact and reliable solution for digital potentiometer applications