Maxim Integrated DS1685E-3 Real-Time Clock

The DS1685E-3 from Maxim Integrated is a robust, full-featured real-time clock (RTC) module designed to provide precise time and date information for a wide range of applications. Its integrated circuit technology is engineered to maintain accurate timekeeping with minimal power consumption, making it an ideal choice for embedded systems, industrial controllers, and portable devices where maintaining accurate time is critical.

This RTC module comes with a built-in lithium battery that ensures timekeeping continues even when the main power supply is interrupted, providing a reliable time base for the duration of the battery's life. The DS1685E-3 operates in a wide temperature range, ensuring consistent performance across various environments.

Key features of the DS1685E-3 include:

• Integrated Power-Fail Detect: This feature ensures that the device automatically switches to battery backup in the event of a power failure, maintaining time and date without interruption.
• 4K x 8 Non-Volatile Static RAM: The device includes 4096 bytes of NV SRAM, allowing users to store data that must be preserved during power loss.
• Programmable Alarm: The DS1685E-3 comes with a programmable alarm function that can be set to trigger on a specific date, day of the week, hour, minute, or second, providing a versatile scheduling tool.
• Automatic Leap Year Correction: The RTC automatically adjusts for leap years up to the year 2100, ensuring the date remains accurate without manual intervention.
• Extended Operating Temperature: The device is designed to function in a temperature range of -40°C to +85°C, catering to demanding applications.

The DS1685E-3 is packaged in a 24-pin EDIP (Extended DIP) package, making it easy to integrate into a variety of circuit boards. With its comprehensive feature set and reliable performance, the DS1685E-3 from Maxim Integrated is an excellent choice for designers looking to implement a dependable timekeeping solution in their products.