onsemi

MM74C911N

MM74C911N Description

The MM74C911N is a 4-digit, 7-segment LED driver IC designed for driving common cathode LED displays. Manufactured by onsemi, this IC is housed in a 28-pin DIP package and is suitable for through-hole mounting. It operates within a supply voltage range of 3V to 6V and consumes a supply current of only 500 µA, making it energy-efficient for various applications. The MM74C911N features a 7-segment display configuration with a decimal point (DP) and is categorized under Power Management (PMIC). Despite its obsolescence, the MM74C911N remains a reliable choice for legacy systems and specific applications requiring its unique capabilities.

MM74C911N Features

• 4 Digits Display: The MM74C911N supports up to four digits, making it ideal for applications requiring multi-digit displays.
• 7 Segment + DP Configuration: Each digit is driven by a 7-segment configuration with an additional decimal point, allowing for versatile display options.
• Low Supply Current: With a supply current of 500 µA, the MM74C911N is highly efficient, reducing power consumption in battery-operated devices.
• Wide Supply Voltage Range: Operating within a 3V to 6V supply voltage range, the IC is compatible with a variety of power sources.
• Through Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of integration into printed circuit boards.
• REACH Unaffected: The MM74C911N complies with REACH regulations, ensuring it is free from harmful substances.
• Moisture Sensitivity Level 1: With an MSL of 1, the IC is unaffected by moisture, making it suitable for storage and handling in various environments.

MM74C911N Applications

The MM74C911N is well-suited for applications requiring clear and reliable numeric displays. Its 4-digit, 7-segment configuration with a decimal point makes it ideal for:

• Digital Clocks and Timers: Providing accurate time displays with minimal power consumption.
• Digital Meters: Displaying measurements such as voltage, current, and temperature in laboratory and industrial settings.
• Counters and Calculators: Offering clear numeric output for counting applications and basic arithmetic operations.
• Consumer Electronics: Enhancing user interfaces in devices such as digital thermometers, speedometers, and other measurement tools.

Conclusion of MM74C911N

The MM74C911N, despite being marked as obsolete, remains a valuable component for specific applications requiring a reliable 4-digit, 7-segment LED display driver. Its low supply current and wide voltage range make it energy-efficient and versatile, while its through-hole mounting ensures robust integration into various electronic systems. The compliance with REACH regulations and moisture sensitivity level 1 further enhance its reliability and usability. For applications such as digital clocks, meters, and counters, the MM74C911N continues to be a dependable choice, offering clear numeric displays with minimal power consumption.