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Serially Interfaced, 8-Digit LED Display Driver.
The MAX7219 is a compact, serial input/output common-cathode display driver 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.
Specifications:
- Manufacturer: Analog Devices (MAXIM INTEGRATED)
- Type of integrated circuit: Driver
- Kind of integrated circuit: Display controller
- Case: DIP24
- Output current: 0.33A
- Supply voltage: 4...5.5Vdc
- Integrated circuit features: 8-digit
- Mounting: THT
- Operating temperature: -40...85°C
- Kind of display used: 7-segment, common cathode
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