TM1637 is a parallel interface 4-digit 7-segment display driver chip. These chips are utilized in applications such as digital clocks, temperature displays, and counters.
Part number : TM1637
Manufacturer : Titan Micro
Package : DIP20 / SOP20 Type
Functions : Chip for driving 4-digit seven-segment display .
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Description
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.
The TM-1637 communicates with the microcontroller through four digital input/output pins. This allows you to transmit and control numbers, letters, and other special characters to appear on the display. It also provides brightness control and scan speed control.
This IC is mainly used with 7-segment display modules, and can display numbers, letters, symbols, etc. by controlling the LEDs corresponding to each segment. The chip features low power consumption and a simple interface, enabling a variety of display functions to be implemented with a low pin count.
Features
1. Applied power CMOS technique
2. The display mode (8 segments*6 bit) supports output by common anode LED.
3. Keyboard scan (8×2bit), with enhanced identification circuit with anti-interference keys
4. Luminance adjustment circuit (adjustable 8 duty ratio)
5. Two-wire serial interface (CLK, DIO)
6. Oscillating type: Built-in RC oscillator
7. Built-in power-on reset circuit
8. Built-in automatic blanking circuit
Pinouts
TM1637 Datasheet PDF
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