STM86312 Datasheet - ST Microelectronics

STM86312, 1/4 to 1/11-duty VFD controller/driver

STM86312 1/4 to 1/11-duty VFD controller/driver General .
The STM86312 is a VFD (Vacuum Fluorescent Display) controller/driver that is driven on a 1/4 to 1/11-duty factor.

Features

* Many display modes (11 segments & 11 digits to 16 segments & 4 digits)
* Key scanning (6 x 4 matrix)
* Dimming circuit (eight steps)
* High-voltage output (VDD
* 35V max)
* LED ports (4 chs, 20mA max)
* General purpose input port (4 bits)
* No external resistor

STM86312_STMicroelectronics.pdf