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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

General Description
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 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 slew-rate limited segment drivers to reduce EMI.
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

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MAX7219EWG Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	SOIC-24
Supply Voltage (DC)	5.50V (max)
Number of Outputs	16 Output
Input Voltage (DC)	4.00V ~ 5.50V
Output Current	320 mA
Supply Current	330 mA
Power Dissipation	941 mW
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	941 mW
Supply Voltage	5 V
	Show
Size-Length	15.6 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2013/06/20

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