The DS1287A Real-Time Clock from Maxim Integrated is a self-contained timekeeping solution that combines a real-time clock/calendar, an alarm, a 32.768 kHz crystal, and a battery within a single integrated circuit. This device is designed to provide a comprehensive timing solution that maintains accurate time and date information for a wide range of applications, including computers, embedded systems, and industrial control systems.

Key Features

• Integrated Power Source: The DS1287A comes with an embedded lithium battery that ensures a long life and stable operation, maintaining timekeeping during power loss situations.
• Accurate Timekeeping: It features a real-time clock/calendar that accurately tracks time in hours, minutes, and seconds, as well as the day, month, and year.
• Programmable Alarm: The inclusion of an alarm function allows users to set up single events or periodic alarms for time-critical operations.
• Automatic Leap Year Compensation: The device automatically adjusts for leap years up to the year 2100, ensuring continued accuracy without manual intervention.
• Binary or BCD Time Representation: Users can configure the clock to represent time in either binary or BCD (Binary-Coded Decimal) format, depending on the requirements of the application.
• Simple Interface: The DS1287A is designed with a simple, multiplexed byte-wide interface that allows for easy integration into existing systems.
• 128 Bytes of RAM: In addition to its timekeeping capabilities, the device offers 128 bytes of battery-backed RAM, providing storage for critical data that must be preserved during power loss.

Applications

The DS1287A is ideal for applications that require reliable timekeeping and data preservation. This includes:

• Embedded Systems
• Industrial Control Systems
• Utility Meters
• POS Terminals
• Computer Motherboards

With its robust feature set and integrated power supply, the DS1287A from Maxim Integrated is a versatile and reliable component for maintaining time and storing critical data across a variety of applications.