The MCP4011 device is volatile, 6-bit Digital Potentiometers that can be configured as either a potentiometer or rheostat. The wiper setting is controlled through a simple Up/Down (U/D) serial interface.
Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages
64 Taps: 63 Resistors with Taps to terminal A and terminal B
Simple Up/Down (U/D) Protocol
Power-on Recall of Default Wiper Setting - Custom POR wiper settings available