Microchip Technology's MCP79410-I/SN Real-Time Clock/Calendar

The MCP79410-I/SN is a highly integrated real-time clock/calendar (RTCC) from Microchip Technology, designed for time-tracking and control applications in a wide range of electronic devices. This compact, serial-interface RTCC offers a full suite of features that make it an ideal choice for applications requiring accurate timekeeping, calendar functions, and additional memory.

Key Features:

• Accurate Timekeeping: The device maintains seconds, minutes, hours, day, date, month, and year information, with leap year compensation valid up to 2399.
• Battery Backup: The MCP79410-I/SN includes a battery backup input pin, allowing for continuous timekeeping even when the main power supply is interrupted.
• Programmable Clock Output: A user-programmable clock output can be used for a variety of functions, including waking up microcontrollers or as a time base for other devices.
• Digital Trimming: To account for crystal variations and temperature drift, the device offers digital trimming capabilities to adjust the timekeeping accuracy.
• EEPROM Memory: With 64 bytes of battery-backed SRAM and 1 Kbit of EEPROM, the MCP79410-I/SN provides additional memory for data storage, which is protected during power loss.
• Unique ID: An embedded unique ID is provided, which can be used for network node identification, access control, or other applications requiring a unique serial number.
• I2C Interface: The device supports I2C communication, allowing for easy integration into most embedded systems with minimal pin usage.
• Multiple Alarms: Two programmable alarms can be set for specific times or dates, enabling sophisticated time-based actions.
• Small Footprint: Housed in an 8-pin SN (SOIC) package, the MCP79410-I/SN is suitable for space-constrained applications.

Applications:

• Embedded Systems
• Industrial Control Systems
• Utility Meters
• Consumer Electronics
• Networking Equipment

The MCP79410-I/SN is a versatile, feature-rich RTCC that provides designers with a reliable and cost-effective solution for time-based applications. Its integration of memory and unique ID features, along with its battery backup capabilities, make it an excellent choice for maintaining accurate time and data in a variety of settings.