DS12C887 clock calender chip

The DS12C887 is a highly integrated RTC and calendar IC designed for accurate timekeeping and calendar functions in various electronic devices.

Key Features:

• Real-Time Clock: Provides seconds, minutes, hours, day, date, month, and year information.
• Non-volatile RAM: Includes battery-backed static RAM for data storage.
• Battery Backup: Uses an external battery (typically a lithium coin cell) to maintain timekeeping and memory contents when main power is off.
• Alarm Function: Includes programmable alarms with interrupt capability.
• Power Management: Low power consumption for extended battery life.
• Interface: Typically communicates via a serial interface (SPI or I2C) for configuration and data access.

Technical Specifications:

• Operating Voltage: Typically 5V or 3.3V (depending on model and configuration)
• Operating Temperature Range: -40°C to +85°C (depending on package and manufacturer specifications)
• Clock Accuracy: Typically ±2 minutes per month at 25°C
• Battery Life: Depends on the battery type and usage conditions

Applications:

• Embedded Systems: Used in microcontroller-based systems for timekeeping and scheduling tasks.
• Consumer Electronics: Integrated into appliances, digital clocks, and other consumer devices requiring accurate timekeeping.
• Industrial Automation: Utilized in industrial equipment for timestamping and scheduling operations.
• Medical Devices: Integrated into medical instruments for time-sensitive operations and data logging.
• Communication Systems: Used in network equipment for synchronization and logging.

Datasheet:
For detailed technical information, refer to the DS12C887 datasheet provided by Maxim Integrated.