TM1637 LED driver

TM1637 is a kind of LED (light-emitting diode display) drive control special circuit with keyboard
scan interface and it’s internally integrated with MCU digital interface, data latch, LED high pressure
drive and keyboard scan. This product is in DIP20/SOP20 package type with excellent performance and
high quality, which is mainly applicable to the display drive of induction cooker, micro-wave oven and
small household electrical appliance.
Function features
 Applied power CMOS technique
 The display mode (8 segments*6 bit) supports output by common anode LED.
 Keyboard scan (8×2bit), with enhanced identification circuit with anti-interference keys
 Luminance adjustment circuit (adjustable 8 duty ratio)
 Two-wire serial interface (CLK, DIO)
 Oscillating type: Built-in RC oscillator
 Built-in power-on reset circuit
 Built-in automatic blanking circuit
 Package type: DIP20/SOP20