Microchip Technology

MCP7940MT-I/MS  

Real Time Clocks ICs

MCP7940MT-I/MS Description

The MCP7940MT-I/MS is a highly reliable and versatile Real-Time Clock (RTC) IC designed by Microchip Technology. This device is engineered to provide accurate timekeeping and calendar functions, making it an essential component for a wide range of electronic systems. The MCP7940MT-I/MS features a robust set of specifications that ensure its performance across various applications. With a supply voltage range of 1.8V to 5.5V, it offers flexibility in power requirements. Its maximum timekeeping current of 1µA at 5.5V ensures minimal power consumption, making it ideal for battery-operated devices. The device supports both 12-hour and 24-hour time formats, providing flexibility in user interface design.

MCP7940MT-I/MS Features

The MCP7940MT-I/MS boasts several unique features that set it apart from similar RTC ICs. It includes an integrated SRAM with a memory size of 64 bytes, which can be used for general-purpose data storage. The device also supports alarm functionality, allowing it to generate an interrupt signal at a user-defined time. Additionally, it features a square wave output that can be used for clock synchronization purposes. The MCP7940MT-I/MS is designed to handle leap years automatically, ensuring accurate date calculations over extended periods. The device is packaged in an 8-MSOP package and is available in tape and reel format, making it suitable for surface mount applications. It is also RoHS3 compliant and REACH unaffected, ensuring compliance with environmental regulations.

MCP7940MT-I/MS Applications

The MCP7940MT-I/MS is ideal for applications requiring precise timekeeping and calendar functions. Its low power consumption and wide voltage range make it suitable for battery-operated devices such as portable electronics, smart meters, and embedded systems. The integrated SRAM and alarm functionality make it a perfect fit for applications requiring data logging and event scheduling. The square wave output can be utilized in systems requiring clock synchronization, such as microcontroller-based designs. The device's ability to handle leap years automatically ensures accurate date calculations, making it suitable for long-term deployment in various industrial and consumer applications.

Conclusion of MCP7940MT-I/MS

In summary, the MCP7940MT-I/MS is a comprehensive RTC IC that offers a blend of advanced features and robust performance. Its low power consumption, wide voltage range, and integrated SRAM make it a versatile solution for a variety of applications. The inclusion of alarm functionality, leap year handling, and square wave output further enhances its capabilities. The MCP7940MT-I/MS is an excellent choice for designers seeking a reliable and feature-rich RTC solution for their electronic systems.

MCP7940MT-I/MS Documents

Download datasheets and manufacturer documentation for MCP7940MT-I/MS

Errata :

MCP7940M Errata      

PCN Assembly/Origin :

Mult Devices 23/May/2018      

Datasheets :

MCP7940M      

PCN Packaging :

Reel Design Update 07/May/2015       Packing Changes 10/Oct/2016      

PCN Obsolescence/ EOL :

MCP7940MT-I/MS      

HTML Datasheet :

MCP7940M      

PCN Design/Specification :

Datasheet Update 09/Mar/2015       MCP7940M Errata Update 18/Apr/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH