WMS7171 Datasheet | Winbond

.. PRELIMINARY DATASHEET WMS7170 / 7171 NON-VOLATILE DIGITAL POTENTIOMETERS WITH UP/DOWN (3-WIRE) INTERFACE, 10KOHM, 50KOHM, 100KOHM RESISTANCE 100 TAPS WITHOUT / WITH OUTPUT BUFFER -1- Publication Release Date: July 2003 Revision 1.0 WMS7170 / 7171 1. GENERAL DESCRIPTION The WMS7170/7171 is a single channel 100-tap non-volatile linear digital potentiometer available in 10KΩ, 50KΩ and 100KΩ resistance. The device consists of Up/Down serial interface, tap register, decoder, resistor array, wiper switches, NV memory and control logics. The WMS7170 device can be configured as a two-terminal variable resistor or a three-terminal voltage divider without an output buffer,...