Maxim Integrated DS17287-3+ Real-Time Clock

The DS17287-3+ is a highly integrated real-time clock (RTC) module from Maxim Integrated, designed to provide a comprehensive timekeeping solution for a wide range of applications. This RTC module incorporates a multitude of features that make it ideal for systems that require reliable time tracking, such as embedded systems, servers, data loggers, and industrial equipment.

Key Features

• Integrated Battery Backup: With an onboard lithium battery, the DS17287-3+ ensures that timekeeping continues uninterrupted during system power failures, maintaining time and date for years without external power.
• Extended Temperature Range: This device is designed to operate reliably over an industrial temperature range, making it suitable for harsh environments.
• Memory Integration: Alongside the RTC function, it includes 113 bytes of user-accessible NV SRAM, which is ideal for storing critical data that must be preserved during power loss.
• Century Byte: The century byte feature provides seamless transition over century rollovers, ensuring compliance with date and time standards well into the future.
• Programmable Alarm: Users can set an alarm to trigger on a specific second, minute, hour, day, date, month, or even on a yearly basis, providing flexibility for a variety of time-based tasks.
• Automatic Leap Year Compensation: The DS17287-3+ automatically adjusts for leap years, ensuring accurate date tracking without manual intervention.
• Simple Serial Interface: Communication with the RTC module is achieved through a simple multiplexed byte-wide interface, making it easy to integrate into existing systems.

Applications

The DS17287-3+ is versatile and can be used in a variety of applications that require precise timekeeping and data retention through power cycles. It is particularly well-suited for:

• Embedded Systems
• Networking Equipment (Routers, Switches, Servers)
• Industrial Control Systems
• Point of Sale (POS) Terminals
• Medical Devices

With its robust feature set and Maxim Integrated's reputation for quality, the DS17287-3+ RTC module is an excellent choice for designers looking to incorporate reliable timekeeping into their systems.