Microchip Technology

MCP79400T-I/MNY  

Real Time Clocks ICs

MCP79400T-I/MNY Description

The MCP79400T-I/MNY is a high-performance Real-Time Clock (RTC) and Calendar IC from Microchip Technology, designed to provide accurate timekeeping and calendar functions in a variety of applications. This device is part of the Clock/Timing ICs category and is housed in an 8-TDFN package, suitable for surface mount applications. The MCP79400T-I/MNY operates within a wide 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 and extended battery life.

The MCP79400T-I/MNY is equipped with a 64-byte SRAM memory, offering additional storage for user data. It supports both 12-hour and 24-hour time formats (HH:MM:SS) and includes advanced features such as an alarm function, leap year compensation, square wave output, and a unique ID for device identification. The I2C interface facilitates easy communication with microcontrollers and other system components.

MCP79400T-I/MNY Features

• Clock/Calendar Functionality: Provides accurate timekeeping and calendar functions with support for both 12-hour and 24-hour formats.
• Low Power Consumption: Features a maximum timekeeping current of 1.2µA at 3.3V, making it ideal for battery-operated applications.
• Wide Operating Voltage Range: Operates within a supply voltage range of 1.8V to 5.5V and a battery voltage range of 1.3V to 5.5V, ensuring compatibility with various power sources.
• 64-Byte SRAM Memory: Offers additional storage for user data, enhancing the device's functionality.
• Advanced Features: Includes an alarm function, leap year compensation, square wave output, and a unique ID for device identification.
• I2C Interface: Facilitates easy communication with microcontrollers and other system components.
• Compliance and Packaging: Complies with REACH and ROHS3 standards, ensuring environmental safety. Packaged in a Tape & Reel (TR) format, suitable for automated assembly processes.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), ensuring reliability in various environmental conditions.

MCP79400T-I/MNY Applications

The MCP79400T-I/MNY is well-suited for a wide range of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Consumer Electronics: Ideal for devices such as digital clocks, smartwatches, and home automation systems where precise timekeeping is required.
• Industrial Applications: Suitable for industrial control systems, monitoring equipment, and data loggers that need reliable time and date information.
• Medical Devices: Can be used in medical equipment such as patient monitors and diagnostic devices where accurate time tracking is critical.
• Telecommunications: Useful in network equipment and communication systems that require synchronized timekeeping for logging and monitoring purposes.
• Automotive: Applicable in automotive systems for time-based functions such as event logging and maintenance scheduling.

Conclusion of MCP79400T-I/MNY

The MCP79400T-I/MNY from Microchip Technology stands out as a robust and versatile RTC and Calendar IC, offering a comprehensive set of features and benefits. Its low power consumption, wide operating voltage range, and advanced functionalities make it an ideal choice for applications across various industries. The inclusion of 64-byte SRAM memory, alarm function, leap year compensation, and a unique ID further enhance its utility. Compliant with REACH and ROHS3 standards and packaged in a Tape & Reel format, the MCP79400T-I/MNY ensures reliability and ease of integration into modern electronic systems.

MCP79400T-I/MNY Documents

Download datasheets and manufacturer documentation for MCP79400T-I/MNY

PCN Assembly/Origin :

Assembly Site 31/Jul/2023      

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 :

MCP79400 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