DS1339AE-3.3 Real-Time Clock from Maxim Integrated

The DS1339AE-3.3 is a highly integrated real-time clock (RTC) manufactured by Maxim Integrated, designed to provide precise time and date information for a wide array of applications. Its primary function is to maintain accurate timekeeping with minimal power consumption, making it an ideal choice for portable and battery-powered devices.

Key Features

• Accuracy: The DS1339AE-3.3 maintains an excellent timekeeping accuracy and allows for the programming of leap years up to the year 2100.
• Low Power Consumption: This RTC is specifically designed to have a very low power consumption, which helps in prolonging battery life in portable applications.
• Supply Voltage: It operates at a supply voltage of 3.3V, making it compatible with many modern digital systems that utilize lower voltages.
• Interface: The device includes an I²C serial interface for easy integration into existing systems and for simplifying communication with microcontrollers and other digital components.
• Memory: It comes with an integrated 56-byte, battery-backed, nonvolatile (NV) RAM for data storage, which remains protected even when the main power is lost.
• Package: The DS1339AE-3.3 is available in a compact 8-pin SO package, which is suitable for space-constrained applications.
• Alarm Function: It features a programmable alarm with an interrupt output, providing the capability to schedule single or periodic tasks.

Applications

The DS1339AE-3.3 is versatile and can be used in various applications such as:

• Handheld devices (e.g., PDAs, GPS units)
• Consumer electronics (e.g., set-top boxes, digital cameras)
• Telematics (e.g., in-vehicle systems)
• Industrial systems (e.g., factory automation, data loggers)
• Medical devices (e.g., patient monitoring systems)

Conclusion

In summary, the DS1339AE-3.3 from Maxim Integrated is a reliable and efficient solution for real-time clock functionality in numerous applications. Its low power consumption, precision, and additional features like the programmable alarm and NV RAM make it a highly valuable component for designers looking to enhance the performance and capabilities of their electronic products.