MAX7219 ( 8-Digit LED Display Drivers)

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