MAX7219CNG Datasheet

LED Display Drivers


The MAX7219CNG /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 8x8 static RAM that stores each digit.Only one external resistor is required to set the segment current for all LEDs. The MAX7221 is compatible with SPI™, QSPI™, and MICROWIRE™, and has slewrate-limited segment drivers to reduce EMI. MAX7219CNG 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 Packages


[{"Name":"Number of Digits","Value":"8"},{"Name":"Number of Segments ","Value":"64"},{"Name":"Mounting Style ","Value":"Through Hole "},{"Name":"Package / Case ","Value":"PDIP-24 Narrow "},{"Name":"Operating Supply Voltage ","Value":"4 V to 5.5 V "},{"Name":"Maximum Supply Current ","Value":"330 mA"},{"Name":"Maximum Operating Temperature ","Value":"+ 70 C "},{"Name":"Minimum Operating Temperature ","Value":"0 C "},{"Name":"Packaging ","Value":"Tube "}]

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