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UL318B - SERIAL-INTERFACED 4~6 DIGIT LED CONTROLLER

Description

The UL318B 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.

Features

  • S.
  • LED driver (8 segments/6 digits~10 segments/4 digits).
  • Output pins connected directly to the LEDs.
  • 3-wire serial bus interface (CLK, STB, DIO).
  • 8-step dimming circuit to control the overall display brightness.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO.,LTD. UL318B Preliminary LINEAR INTEGRATED CIRCUIT SERIAL-INTERFACED 4~6 DIGIT LED CONTROLLER IC  DESCRIPTION The UL318B 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 UL318B drives up to LEDs in 8 segment/6 digit~10 segment/4 digit configuration while functioning from a supply voltage of 5.0V. SOP-20  FEATURES * LED driver (8 segments/6 digits~10 segments/4 digits) * Output pins connected directly to the LEDs * 3-wire serial bus interface (CLK, STB, DIO) * 8-step dimming circuit to control the overall display brightness  ORDERING INFORMATION * Inputs with Schmitt trigger give superior noise immunity * 5.
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