CH422 Datasheet - ETC

CH422, LED Nixie Tube Display Driver and I/O Extension Chip

CH422 Datasheet 1 LED Nixie Tube Display Driver and I/O Extension Chip CH422 Datasheet Version: 2 1.
Overview CH422 chip can be used for LED nixie t

Features

* Dynamic display scanning control, direct drive of 4-bit LED nixie tubes or 32 LEDs.
* Built-in current driving stage, segment current driving capacity not less than 15mA, output word current not less than 100mA.
* Built-in clock oscillator circuit, no need to provide external clock or

CH422-ETC.pdf