Maxim Integrated DS12887A+ Real-Time Clock

The Maxim Integrated DS12887A+ is a complete, self-contained real-time clock (RTC) module that combines a quartz crystal and CMOS IC into one package. Designed to provide a comprehensive timekeeping solution, it is an enhanced version of the industry-standard DS12887, offering additional features and improved performance.

Key Features

• Integrated Power-Supply: The module includes a built-in battery and crystal, ensuring long-term reliability and stability of the timekeeping functions, even when the main power is off.
• Extended Operating Temperature: This device is designed to operate in a wide temperature range, making it suitable for various industrial applications.
• Programmable Alarm and Interrupt Functions: It allows setting alarms and generating interrupts for system management and scheduling, enhancing its utility for complex tasks.
• Binary or BCD Time Representation: The DS12887A+ can represent time in either binary or BCD format, offering flexibility for different system requirements.
• Automatic Leap Year Correction: It has an intelligent algorithm to automatically adjust for leap years up to the year 2099, ensuring accuracy without manual intervention.
• RAM Clear Function: The device includes a RAM clear input to reset the 114 bytes of general-purpose RAM, facilitating system recovery and initialization.

Applications

The DS12887A+ is ideal for applications that require accurate timekeeping and system management functions. It is commonly used in:

• Embedded Systems
• Industrial Control Systems
• Utility Meters
• POS Terminals
• Network Servers
• Consumer Electronics

Technical Specifications

With a 24- or 12-hour clock format and a multi-century calendar, the DS12887A+ is equipped to meet the needs of a diverse array of applications. Its programmable square-wave output and periodic interrupts provide additional functionality for tasks requiring precise timing signals. The module's encapsulated design ensures protection against environmental factors, contributing to its robustness and durability.

The DS12887A+ from Maxim Integrated is a testament to the company's commitment to delivering high-quality, reliable, and versatile components for advanced electronic systems.