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MAX7219 8-Digit 7219 Seven Segment & Dot Matrix LED Display Driver IC

Availability:

Only 1 left in stock


Tonomech offers MAX7219 8-Digit 7219 Seven Segment & Dot Matrix LED Display Driver IC.

170

Only 1 left in stock

Pin configuration

MAX7219 is a 24-pin IC available in different packages and is selected depending on the requirements. The description for each pin is given below.

Pin Number Description
COMMON CATHODE OF DISPLAY SEGMENTS
2 DIG0- Common ground for all eight segments of DIGIT0
11 DIG1- Common ground for all eight segments of DIGIT1
6 DIG2- Common ground for all eight segments of DIGIT2
7 DIG3- Common ground for all eight segments of DIGIT3
3 DIG4- Common ground for all eight segments of DIGIT4
10 DIG5- Common ground for all eight segments of DIGIT5
5 DIG6- Common ground for all eight segments of DIGIT6
8 DIG7- Common ground for all eight segments of DIGIT7
SHARED TERMINALS
4 GND
19 V+- Power Supply
SHARED SEGMENT TERMINAL OF ALL EIGHT DIGITS
14 SEG A – SEGEMTENT A  of all DIGITS
16 SEG B – SEGEMTENT B  of all DIGITS
20 SEG C – SEGEMTENT C  of all DIGITS
23 SEG D – SEGEMTENT D  of all DIGITS
21 SEG E – SEGEMTENT E  of all DIGITS
15 SEG F – SEGEMTENT F  of all DIGITS
17 SEG G – SEGEMTENT G  of all DIGITS
22 SEG DP – SEGEMTENT DOT of all DIGITS
FUNCTION PINS
1 DIN –  Serial Data Input Pin
12 LOAD(CS) – Chip Select or Data shift pin
13 CLK –  Clock Pin
24 DOUT –  Pin used to Connect Second chip serially
18 ISET –  current output adjust pin

 

  • Operating voltage range: +4.0 to +5.5V
  • Recommended operating voltage: +5V
  • Maximum supply voltage: 6V
  • Maximum current allowed to draw through each segment pin: 100mA
  • Maximum current allowed to  through each DIGIT ground pin: 500mA
  • Low power consumption
  • Data-to-Segment Delay Time: 2.2mSec
  • Operating temperature: 0°C  to +70°C
  • Storage Temperature: -65°C  to +150°C

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