The DS12CR887-5+ from Maxim Integrated is a high-performance, full-function real-time clock (RTC) with an integrated crystal and SRAM. This device is designed to provide a comprehensive timekeeping solution for a wide range of applications, including embedded systems, servers, data loggers, and industrial equipment.

Key Features

• Integrated Crystal: The DS12CR887-5+ includes a built-in crystal oscillator, which simplifies the design and reduces the number of external components required.
• Nonvolatile SRAM: With 114 bytes of nonvolatile SRAM, the device ensures data retention without the need for an external battery, even in the event of a power failure.
• Century Byte: The RTC provides a century byte that automatically adjusts for leap years and changes from one century to another, ensuring accurate date tracking for decades.
• Battery Backup Input: An optional battery input allows for continuous timekeeping in the event of a main power loss, ensuring consistent performance and reliability.
• Programmable Alarm: The DS12CR887-5+ features a programmable alarm function that can be set to trigger on a specific date, day of the week, hour, minute, or second, providing flexibility for various application needs.
• Low Power Consumption: Designed for efficient operation, this RTC has a low power consumption, making it ideal for battery-powered applications.

Applications

The DS12CR887-5+ is a versatile component suitable for a variety of applications, including:

• Telecommunication systems
• Embedded processors
• Industrial control systems
• Utility meters
• POS terminals

Technical Specifications

The device operates within a temperature range of 0°C to +70°C and is available in a 24-pin EDIP (Extended Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package. It communicates via a simple multiplexed byte-wide interface, compatible with most microcontrollers and microprocessors.

For detailed technical specifications, application notes, and support documentation, please visit the Maxim Integrated website or contact their technical support team.