TM1637 Keyscan and LED Display Driver IC SOIC 20 Pin (8 Segment 6 Digit LED Display Driver)

The TM1637 is a versatile LED display driver integrated circuit designed to control up to 6-digit 8-segment common anode LED displays while simultaneously supporting keyboard scanning. Featuring a simple two-wire serial interface, built-in RC oscillator, adjustable brightness control, and automatic blanking functions, the TM1637 is widely used in digital clocks, panel meters, home appliances, and embedded electronic systems.

Key Features -

• Controls up to 6-digit 8-segment common anode LED displays

• Supports 8 × 2 key matrix scanning

• Enhanced key identification with anti-interference circuit

• Two-wire serial communication interface (CLK and DIO)

• Eight-level brightness adjustment

• Built-in RC oscillator

• Built-in power-on reset circuit

• Automatic display blanking function

• Low power CMOS technology

• SOIC 20-pin package for Surface Mount Device applications

Specifications -

• Product Type - LED Display Driver Integrated Circuit

• Model - TM1637

• Package Type - SOIC 20 Pin

• Mounting Type - Surface Mount Device

• Technology - CMOS

• Display Support - 8 Segments × 6 Digits

• Display Type - Common Anode LED

• Keyboard Scan - 8 × 2 Matrix

• Communication Interface - Two-Wire Serial (CLK, DIO)

• Brightness Control - 8-Level Duty Cycle Adjustment

• Oscillator - Built-in RC Oscillator

• Reset Function - Built-in Power-On Reset

• Display Control - Automatic Blanking Circuit

Applications -

• Digital clocks

• LED display modules

• Electronic timers

• Panel meters

• Home appliances

• Consumer electronics

• Industrial control equipment

• Measurement instruments

• Embedded system displays

• Microcontroller-based projects