BUY MAX7219CNG+ https://www.utsource.net/itm/p/4642893.html
IC DRIVER LED DISPLAY 8DGT 24DIP
MAX7219CNG+ is a 8-Digit LED Display Driver manufactured by Maxim Integrated. It is a low-power, serial input/output common-cathode display driver that can interface microprocessors to a 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Description: The MAX7219CNG+ is a 8-digit LED display driver that can be used to interface microprocessors to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. It is a low-power, serial input/output common-cathode display driver that features a SPI-compatible serial interface, an internal power-on reset, and an adjustable multiplex rate. The device includes a 150μA low-power shutdown mode, analog and digital brightness control, a scan-limit register that allows the user to select the number of digits to be displayed, and a test mode that forces all LEDs on. Features: Low-power, serial input/output common-cathode display driver Interfaces microprocessors to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs SPI-compatible serial interface Internal power-on reset Adjustable multiplex rate 150μA low-power shutdown mode Analog and digital brightness control Scan-limit register that allows the user to select the number of digits to be displayed Test mode that forces all LEDs on Applications: LED displays Digital clocks Industrial control systems Automotive instrumentation Process control systems Medical equipment (For reference only)