Microchip Technology

MCP79401-I/MS  

Real Time Clocks ICs

MCP79401-I/MS Description

The MCP79401-I/MS is a highly reliable and versatile Real Time Clock (RTC) and calendar IC from Microchip Technology. This Surface Mount device operates within a wide voltage range of 1.8V to 5.5V for the supply and 1.3V to 5.5V for the battery, making it suitable for various low-power applications. With a 64B memory size, it offers ample storage for timekeeping and other data. The MCP79401-I/MS is compliant with the REACH and RoHS3 standards, ensuring environmental safety and regulatory compliance.

MCP79401-I/MS Features

• Alarm, Leap Year, Square Wave Output, SRAM, Unique ID: The MCP79401-I/MS boasts a range of advanced features, including alarm functionality, leap year recognition, a square wave output for easy integration with microcontrollers, and SRAM for data retention. It also has a unique ID, enhancing security and traceability.
• Low Power Consumption: With a maximum timekeeping current of 1.2µA at 3.3V, this RTC is ideal for battery-powered applications where power efficiency is crucial.
• Time Format: Supports both 12-hour and 24-hour time formats, making it adaptable to various user preferences and international standards.
• Voltage - Supply and Battery: The wide operating voltage range accommodates different power supply scenarios and ensures reliable operation across diverse environments.

MCP79401-I/MS Applications

The MCP79401-I/MS is particularly well-suited for applications where accurate timekeeping and low power consumption are paramount. Some ideal use cases include:

• Portable Devices: In devices like smartphones, tablets, and wearables, where battery life is a critical concern, the low power consumption of the MCP79401-I/MS ensures extended runtime.
• Automotive Systems: For in-vehicle infotainment systems and electronic control units, this RTC provides precise timekeeping and is unaffected by REACH regulations, which is crucial for automotive components.
• Industrial Automation: In industrial settings, the MCP79401-I/MS can be used for scheduling and timing tasks, with its robust features like alarm and unique ID ensuring reliable operation.

Conclusion of MCP79401-I/MS

The MCP79401-I/MS from Microchip Technology is a feature-rich RTC and calendar IC designed for applications demanding precision and low power. Its unique features, such as alarm functionality and a unique ID, coupled with its low power consumption and wide voltage range, make it an excellent choice for a variety of electronic devices. Whether in consumer electronics, automotive systems, or industrial automation, the MCP79401-I/MS stands out for its performance and reliability.

MCP79401-I/MS Documents

Download datasheets and manufacturer documentation for MCP79401-I/MS

PCN Assembly/Origin :

Bond Wire 29/Nov/2017      

Datasheets :

MCP79400-02 Datasheet       MCP794xx Brochure       I²C™ & SPI Family Brochure      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP79401 Development Tool Selector      

HTML Datasheet :

I²C™ & SPI Family Brochure      

PCN Design/Specification :

MCP79400/01/02 Datasheet 26/Oct/2023       MCP79400/01/02 18/Aug/2016      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH