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TM1637

LED Drive Control Special Circuit

Unspecified 

LED Drive Control Special Circuit TM1637

Features 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.

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

Pin information

GND

1

SEG1/ KS1

2

SEG2/ KS2

3

SEG3/ KS3

4

SEG4/ KS4

5

SEG5/ KS5

6

SEG6/ KS6

7

SEG7/ KS7

8

SEG8/ KS8

9

GRID6

10

20

K2

19

K1

18

CLK

17

DIO

16

VDD

15

GRID1

14

GRID2

13

GRID3

12

GRID4

11

GRID5

©Titan Micro Electronics

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