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KNACRO TM1638 8 Bits three-wire control LED Digital Tube Display Module Keyboard Scan and Display Module Single chip microcomputer module
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About KNACRO TM1638 8 Bits Three-wire Control LED Digital
TM1638 is a LED (light emitting diode display) drive and control special circuit with keyboard scan interface, which is integrated with MCU digital interface, data latch, LED high voltage driver, keyboard scan and so on. Using power CMOS process. Display mode 10 segments × 8 bits,Key scan (8 × 3bit),Brightness adjustment circuit (duty cycle 8 adjustable). Using SOP28 package. Serial interface (CLK, STB, DIO),Oscillation mode: RC oscillator (450KHz + 5%),Built-in power-on reset circuit. Limit parameters: Ta = 25 ℃, Vss = 0V The normal operating range: Ta = -20 ~ + 70 ℃, Vss = 0 V Electrical Characteristics: Ta = -20 ~ + 70 ℃, VDD = 4.5 ~ 5.5 V, Vss = 0 V Switching Characteristics: Ta = -20 ~ + 70 ℃, VDD = 4.5 ~ 5.5 V Timing Characteristics: Ta = -20 ~ + 70 ℃, VDD = 4.5 ~ 5.5 V TM1638 is a LED (light emitting diode display) drive and control special circuit with keyboard scan interface, which is integrated with MCU digital interface, data latch, LED high voltage driver, keyboard scan and so on. Using SOP28 package. Using power CMOS process. Display mode 10 segments × 8 bits,Key scan (8 × 3bit),Brightness adjustment circuit (duty cycle 8 adjustable). Serial interface (CLK, STB, DIO),Oscillation mode: RC oscillator (450KHz + 5%),Built-in power-on reset circuit.
