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STM86312 Datasheet 1/4 To 1/11-duty Vfd Controller/driver

Manufacturer: STMicroelectronics

Overview: STM86312 1/4 to 1/11-duty VFD controller/driver General.

General Description

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

It consists of 11-segments output lines, 6 grid output lines, 5 segments/grid output drive lines, a display memory, a control circuit, and a key scan circuit.

Serial data are input to the STM86312 through a three-line serial interface.

Key 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 necessary for driver output (P-channel open drain + pull down resistor output).
  • Serial interface (CLK, STB, DIN, DOUT) PQFP44.

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STM86312 Distributor