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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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MAX7221EWG Specifications

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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
- Please confirm product specifications when ordering.
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