Microchip Technology

MCP79400T-I/ST  

Real Time Clocks ICs

MCP79400T-I/ST Description

The MCP79400T-I/ST is a high-performance Real-Time Clock (RTC) and Calendar IC designed by Microchip Technology. This device is ideal for applications requiring precise timekeeping and calendar functions. It operates on a supply voltage range of 1.8V to 5.5V and features a maximum timekeeping current of 1.2µA at 3.3V, ensuring low power consumption. The MCP79400T-I/ST is housed in an 8-TSSOP package and is available in tape and reel format, making it suitable for surface mount applications. It supports a wide range of features, including alarm, leap year, square wave output, SRAM, and a unique ID, making it a versatile solution for various electronic systems.

MCP79400T-I/ST Features

• Clock and Calendar Functions: The MCP79400T-I/ST provides accurate timekeeping with a time format of HH:MM:SS, supporting both 12-hour and 24-hour formats. This feature ensures precise time management for applications requiring reliable time tracking.
• Low Power Consumption: With a maximum timekeeping current of 1.2µA at 3.3V, the MCP79400T-I/ST is designed to minimize power usage, making it ideal for battery-operated devices and systems where power efficiency is critical.
• Extended Voltage Range: The device operates within a supply voltage range of 1.8V to 5.5V and a battery supply voltage range of 1.3V to 5.5V, providing flexibility in power supply options and ensuring compatibility with various power sources.
• Advanced Features: The MCP79400T-I/ST includes an alarm function, leap year calculation, square wave output, 64 bytes of SRAM, and a unique ID. These features enhance its functionality and make it suitable for applications requiring additional functionalities beyond basic timekeeping.
• Compliance and Reliability: The MCP79400T-I/ST is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.
• Packaging and Mounting: Available in an 8-TSSOP package and tape and reel format, the MCP79400T-I/ST is designed for surface mount applications, making it easy to integrate into modern electronic designs.

MCP79400T-I/ST Applications

The MCP79400T-I/ST is suitable for a variety of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Consumer Electronics: Ideal for devices such as digital clocks, smart home appliances, and portable electronics where precise time management is required.
• Industrial Systems: Suitable for industrial control systems, automation equipment, and monitoring devices that need reliable timekeeping and calendar functions.
• Medical Devices: Applicable in medical equipment where accurate time tracking is crucial for patient monitoring and data logging.
• Automotive: Useful in automotive systems for tracking maintenance schedules, monitoring vehicle usage, and providing accurate time data for various onboard systems.
• Battery-edBack Applications: The low power consumption and wide voltage range make the MCP79400T-I/ST ideal for battery-backed applications, ensuring continuous operation even during power outages.

Conclusion of MCP79400T-I/ST

The MCP79400T-I/ST from Microchip Technology is a robust and versatile Real-Time Clock and Calendar IC that offers precise timekeeping and a range of advanced features. Its low power consumption, wide voltage range, and additional functionalities such as alarm, leap year calculation, and SRAM make it a superior choice over similar models. The MCP79400T-I/ST is suitable for a wide range of applications, from consumer electronics to industrial systems, ensuring reliable time management and enhanced functionality. Its compliance with environmental and safety standards further adds to its appeal, making it a reliable and efficient solution for modern electronic designs.

MCP79400T-I/ST Documents

Download datasheets and manufacturer documentation for MCP79400T-I/ST

DTS :

View in Development Tools Selector      

Errata :

MCP7940X Family Silicon Errata Document Revision (PDF)      

PCN :

Product Change Notification (PDF)