MAX7219CN - Serial Interfaced, 8 Digit LED Drivers
Nexive: orders below 24,98 € shipping costs is 2,50 € - shipping times of 7 - 15 working days
Nexive: orders above 24,99 € shipping is FREE - shipping times of 7 - 15 working days
DHL: orders of less than euro 24,98 € shipping costs is 9,90 € - shipping times of 2 - 3 working days
DHL: orders between 24,99 € and 49,98 € shipping costs is 7,90 € - shipping times of 2 - 3 working days
DHL: orders between 49,99 € and 98,99 € shipping costs is 5,90 € - shipping times of 2 - 3 working days
DHL: orders above 99 € shipping is FREE - shipping times of 2 - 3 working days
DHL: fixed cost of euro 15,99 € for the whole European territory - shipping times of 2 - 3 working days
Poste Italiane Registered: 250 gr. max weight limit and the cost varies from 7,10 € to 12,70 € - shipping times of 2 - 4 weeks.
Rest of the World
DHL: fixed cost of 39,99 € for the rest of the world - shipping times of 2 - 3 working days
Poste Italiane Registered: 250 gr. max weight limit and the cost varies from 8,40 € to 16,50 € - shipping times of 2 - 4 weeks.
Datasheet: DOWNLOAD FROM MAXIM
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.
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.
A convenient 4-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219/MAX7221 also allow the user to select codeB decoding or no-decode for each digit.
The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scanlimit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on.
For applications requiring 3V operation or segment blinking, refer to the MAX6951 data sheet.