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MAX7219 8-Digit LED Display Driver IC DIP-24 Package

218.00 Excluding tax

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The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8×8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. The MAX7219 also allow the user to select code B decoding or no-decode for each digit. The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scan limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on.


  • 10MHz Serial Interface
  • Individual LED Segment Control
  • Decode/No-Decode Digit Selection
  • 150µA Low-Power Shutdown (Data Retained)
  • Digital and Analog Brightness Control
  • Display Blanked on Power-Up
  • Drive Common-Cathode LED Display
  • Slew-Rate Limited Segment Driver
  • 24-Pin DIP and SO Packages


Parameter Value
Voltage (with respect to GND)- V+ -0.3V to 6V
DIN, CLK, LOAD, CS -0.3V to 6V
All Other Pins -0.3V to (V+ + 0.3V)
Current DIG 0–DIG 7 Sink Current 500mA
SEG A–G, DP Source Current. 100mA
Operating Temperature Ranges 0°C to +70°C

* product image for illustration purposes only. actual product may vary.


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