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UL319B Datasheet SERIAL-INTERFACED 14-DIGIT LED CONTROLLER

Manufacturer: Unisonic Technologies

General Description

The UL319B is a compact LED controller and driver that interface microprocessors to LED displays through a serial 3-wire interface.

It drives LED connected in common anode configuration.

The UL319B drives up to 112 discrete LEDs in 14 segment/8 digit configuration while functioning from a supply voltage of 5.0V.

Overview

UNISONIC TECHNOLOGIES CO.,LTD.

UL319B Preliminary LINEAR INTEGRATED CIRCUIT SERIAL-INTERFACED 14-DIGIT LED CONTROLLER IC WITH KEYSCAN.

Key Features

  • S.
  • LED driver with 22 outputs (14 segments/8 digits).
  • Output pins connected directly to the LEDs.
  • Key-scanning (8 x 2 matrix).
  • 3-wire serial bus interface (CLK, STB, DI/O).
  • 8-step dimming circuit to control the overall display brightness.