MAX7219 - Maxim Integrated

MAX7219 8-Digit LED Display Drivers

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. .

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 Ordering Information PART MAX7219CNG MAX7219CWG MAX7219C/D MAX7219ENG MAX7219EWG MAX7219ERG TEMP RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 24 Narrow Plastic.