The MCP4561-502E/MS is a Digital Potentiometer with volatile memory. It offers a wide range of product offerings using an I2C interface. This family of devices supports 7-bit and 8-bit resistor networks, volatile memory configurations and potentiometer and rheostat pin-outs. It features zero-scale to full-scale wiper operation and resistor network terminal disconnect via the terminal control (TCON) register. It allows high-speed read/write to wiper and increment/decrement of wiper.