The TM1637 is a dedicated LED display driver and keypad scanning IC designed for driving up to 6-digit 7-segment common-anode LED displays while simultaneously scanning a 16-key matrix keyboard using only a 2-wire serial interface (CLK & DIO). It is widely used in digital clocks, induction cookers, microwave ovens, weighing scales, thermostats, and other home appliances. Key Features • Package: SOIC/SOP-20 • Drives 6-digit × 8-segment common-anode LED displays • Supports 8 × 2 (16-key) keyboard scanning • 2-wire serial interface (CLK, DIO) • 8-level brightness control • Built-in RC oscillator • Built-in Power-On Reset (POR) • Automatic display blanking • Operating voltage: 4.5V to 5.5V • Operating temperature: −40°C to +85°C Applications • Digital clocks • Microwave ovens • Induction cookers • Rice cookers • Home appliance control panels • Timer displays • Electronic weighing scales • Industrial display modules Package • SOIC/SOP-20 Interface • CLK – Serial Clock • DIO – Serial Data Display Configuration • 6 Digits × 8 Segments • Common Anode LED Display