Maxim Integrated DS1339C-33#T Real-Time Clock

The Maxim Integrated DS1339C-33#T is a highly accurate, low-power, serial real-time clock (RTC) with a built-in 32.768kHz crystal oscillator. This compact device provides a full binary-coded decimal (BCD) clock/calendar that is accessible through an I²C interface. It is specifically designed for applications requiring precise timekeeping and data logging and is a popular choice for embedded systems, industrial devices, and consumer electronics.

Key Features

• High Accuracy: The DS1339C-33#T maintains an accuracy of ±2ppm from 0°C to +40°C, ensuring reliable timekeeping.
• Low Power Consumption: This RTC is optimized for power-sensitive applications, with a battery-backup supply current of less than 500nA, allowing for longer battery life.
• Automatic Backup: It includes an automatic backup to battery power, which ensures that timekeeping continues even when the primary power is lost.
• Calendar Function: The device features a full calendar, accurate until the year 2100, with leap year compensation.
• Two Time-of-Day Alarms: Programmable alarms can be set to trigger on seconds, minutes, hours, day, date, month, or a combination of these.
• Simple Integration: The I²C interface facilitates easy integration into most microcontroller-based systems.
• Operating Voltage: This RTC operates at 3.3V, aligning with common logic levels in modern digital systems.
• Surface-Mount Package: The device comes in an 8-pin SO package, suitable for PCB mounting and space-constrained applications.

Applications

The DS1339C-33#T is versatile and can be used in various applications, including:

• Embedded systems
• Data logging equipment
• Industrial control systems
• Medical devices
• Consumer electronics
• Portable instrumentation

With its combination of accuracy, low power consumption, and convenient features, the Maxim Integrated DS1339C-33#T RTC is an excellent choice for any application where reliable timekeeping is crucial.