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TM1639 Datasheet LED drive controller

Manufacturer: Titan Micro

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Datasheet Details

Part number TM1639
Manufacturer Titan Micro
File Size 564.94 KB
Description LED drive controller
Datasheet download datasheet TM1639 Datasheet

General Description

Input serial data at rising edge of the DIO Data input and output 6 clock, starting from lower bits.

Output serial data at falling edge of the clock, starting from lower bits.

During output, this is a PMOS open drain output.

Overview

一、 Introduction Special circuit for LED drive control TM1639 TM1639 is an IC dedicated to LED (light emitting diode display) drive control and equipped with a keypad scan interface.

It integrates MCU digital interface, data latch, LED drive, and keypad scanning circuit.

This product is reliable in quality, stable in performance and strong in interference resistance.

Key Features

  • CMOS technology.
  • 8 segments × 8 bits display.
  • Keypad scanning (4 × 2 bits).
  • Brightness adjustment circuit (8-level adjustable duty ratio).
  • Serial ports (CLK, STB, DIO).
  • Oscillation mode: RC oscillation.
  • Built-in power-on reset circuit.
  • Package type: SOP24，SDIP24 三、Pin definition： GRID4 GRID3 GND GRID2 GRID1 DIO CLK STB K0 K1 VDD SEG1/KS1 1 24 2 23 3 22 4 21 5 20 6 19 7 TM1639 18 8 (TOP VIEW) 17 9 16 10 15.

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