Max7219 IC Max7219CNG Max7219EWG Led Display Driver - DIP-24

Link Data Sheet:
https://www.alldatasheet.com/datasheet-pdf/view/73746/MAXIM/MAX7219CNG.html

General Description
The MAX7219/MAX7221 are compact, serial input/out-put common-cathode display drivers that interfacemicroprocessors (μPs) to 7-segment numeric LED dis-plays of up to 8 digits, bar-graph displays, or 64 indi-vidual LEDs. Included on-chip are a BCD code-Bdecoder, multiplex scan circuitry, segment and digitdrivers, and an 8x8 static RAM that stores each digit.Only one external resistor is required to set the seg-ment current for all LEDs. The MAX7221 is compatiblewith SPI, QSPI, and Microwire, and has slew-rate-limited segment drivers to reduce EMI.A convenient 3-wire serial interface connects to allcommon μPs. Individual digits may be addressed andupdated without rewriting the entire display. TheMAX7219/MAX7221 also allow the user to select code-B decoding or no-decode for each digit.The devices include a 150μA low-power shutdownmode, analog and digital brightness control, a scan-limit register that allows the user to display from 1 to 8digits, and a test mode that forces all LEDs on.


Applications:
Bar-Graph Displays
7-Segment Displays
Industrial Controllers
Panel Meters
LED Matrix Displays

Features
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 Drivers for Lower EMI (MAX7221)
SPI, QSPI, Microwire Serial Interface (MAX7221)
24-Pin DIP and SO Package

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