Product Overview: DS12C887A Real-Time Clock from Analog Devices Inc.

The DS12C887A is a widely recognized real-time clock (RTC) component manufactured by Analog Devices Inc., an industry leader in the design and production of high-performance integrated circuits. This RTC is an essential element in computer systems, embedded systems, and other electronics where accurate timekeeping is crucial. It seamlessly integrates a quartz crystal and real-time clock IC, providing a complete timekeeping solution in a single package.

Key Features

• Integrated Battery Backup: The DS12C887A comes with a built-in lithium battery, which ensures that timekeeping continues uninterrupted during power outages, maintaining accuracy and reliability.
• Extensive Timekeeping Functions: This RTC tracks seconds, minutes, hours, days, date, month, and year, with automatic adjustments for months with fewer than 31 days and leap years up to the year 2100.
• Programmable Alarm: The device features a programmable alarm that can be set to trigger on a specific second, minute, hour, day, or date, providing versatile scheduling capabilities.
• Binary or BCD Time Representation: Users can choose between binary or BCD (Binary-Coded Decimal) time representation, offering flexibility for different system requirements.
• Direct Microprocessor Interface: The DS12C887A supports direct interfacing with most microprocessors, facilitating easy integration into a wide range of applications.
• Dual Power Supply Pins: The device includes dual power supply pins for primary and backup power, ensuring consistent operation and data retention.

Applications

The DS12C887A is suited for an array of applications where accurate timekeeping is a necessity. These include:

• Desktop and laptop computers
• Embedded systems
• Industrial timekeeping
• Data loggers
• Telecommunication systems

Technical Specifications

With a wide operating temperature range and a standard DIP (Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier) form factor, the DS12C887A offers compatibility with various system designs. The device operates within a voltage range of 4.5V to 5.5V, and its low power consumption makes it an energy-efficient choice for portable and battery-powered applications.

The DS12C887A from Analog Devices Inc. represents a reliable and versatile solution for maintaining precise time in electronic systems, ensuring that your applications run smoothly and on schedule.