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MAX7219 Serially Interfaced 8-Digit LED Display Drivers

IC-0025

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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.

Availability: In stock

$8.95
Pricing:
$8.95 (10+) $8.06 (25+) $7.61 (100+) $7.16
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Description:

The MAX7219 is a compact, serial input/output common-cathode display driver that allows you to easily control 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 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. 

A convenient 4-wire serial interface connects to all common microcontrollers. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219 also allows the user to select code-B decoding or no-decode for each digit.

Key Feature:

  • 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
  • SPI, QSPI, MICROWIRE Interface
  • 24-Pin DIP


Applications:

  • Bar Graph Displays
  • Industrial Controllers
  • LED Matrix Displays
  • Panel Meters

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