At Non-Volatile, this pentometer is stored for the first time.The digital analogic is secured using this package Tube.256 positions make up the pentometer.On the digi devices, you can see the 24 pins.
CAT5261WI-00T-QJ Features
CAT5261WI-00T-QJ Applications
There are a lot of ON Semiconductor CAT5261WI-00T-QJ Digital Potentiometers applications.