The MAX7219 is a compact, serial-interfaced LED display driver IC capable of controlling 8-digit 7-segment LED displays or up to 64 individual LEDs. It simplifies microcontroller interfaces by handling digit scanning and brightness control.

Operating Voltage: 4.0V to 5.5V Serial Interface: 10MHz, SPI-compatible (DIN, CLK, CS) Display Digits: 8 (7-segment) or 64 individual LEDs Brightness Control: Analog (ISET pin) and Digital (16-level) Scan Limit: 1 to 8 digits selectable Shutdown Mode: 150µA low-power Package: SOP-24 (Surface Mount) Operating Temperature: -40°C to +85°C Segment Drivers: 8 (source) Digit Drivers: 8 (sink) Decode Mode: BCD code-B or no-decode

