Microchip Technology

MCP7940NT-I/MNY  

Real Time Clocks ICs

MCP7940NT-I/MNY Description

The MCP7940NT-I/MNY is a high-performance, automotive-grade Real-Time Clock (RTC) and Calendar IC from Microchip Technology. This device is designed to provide accurate timekeeping and date tracking in various electronic systems. With its advanced features and robust performance, the MCP7940NT-I/MNY is an ideal choice for applications requiring precise time and date management.

MCP7940NT-I/MNY Features

• Voltage - Supply: The MCP7940NT-I/MNY operates on a wide supply voltage range of 1.8V to 5.5V, ensuring compatibility with various power sources.
• Voltage - Supply, Battery: The device also supports a battery supply voltage range of 1.3V to 5.5V, making it suitable for battery-powered applications.
• Time Format: It supports both 12-hour and 24-hour time formats, allowing for flexible time display options.
• Alarm, Leap Year, Square Wave Output, SRAM: The MCP7940NT-I/MNY features an alarm function, leap year compensation, a square wave output, and 64B of SRAM, providing versatile timekeeping and data storage capabilities.
• Current - Timekeeping (Max): The device consumes a minimal 1.2µA at 3.3V, making it energy-efficient for low-power applications.
• Memory Size: The MCP7940NT-I/MNY offers 64B of SRAM, providing ample memory for storing time and date data.
• Mounting Type: This device is surface mount, allowing for compact and efficient integration into PCB designs.
• Package: The MCP7940NT-I/MNY is available in a Tape & Reel (TR) package, facilitating automated assembly processes.

MCP7940NT-I/MNY Applications

The MCP7940NT-I/MNY is ideal for a wide range of applications where accurate timekeeping and date management are critical. Some specific use cases include:

1. Automotive Systems: In-car entertainment systems, infotainment systems, and telematics units require precise time and date tracking for various functions.
2. Industrial Automation: PLCs, HMIs, and SCADA systems rely on accurate timekeeping for scheduling, logging, and synchronization tasks.
3. Smart Home Devices: Smart thermostats, lighting controls, and security systems benefit from precise timekeeping for automation and scheduling.
4. Portable Electronics: Wearables, fitness trackers, and portable medical devices can utilize the MCP7940NT-I/MNY for accurate time and date tracking.

Conclusion of MCP7940NT-I/MNY

The MCP7940NT-I/MNY is a versatile and reliable Real-Time Clock and Calendar IC from Microchip Technology. Its wide supply voltage range, low power consumption, and advanced features make it an ideal choice for a variety of applications requiring precise timekeeping and date management. With its automotive-grade performance and robust features, the MCP7940NT-I/MNY is a reliable solution for demanding electronic systems.

MCP7940NT-I/MNY Documents

Download datasheets and manufacturer documentation for MCP7940NT-I/MNY

Errata :

MCP7940N Errata      

PCN Assembly/Origin :

Assembly Site 31/Jul/2023      

Datasheets :

MCP7940N       I²C™ & SPI Family Brochure      

PCN Packaging :

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

Design Resources :

MCP7940N Development Tool Selector      

HTML Datasheet :

I²C™ & SPI Family Brochure      

PCN Design/Specification :

MCP7940N 08/Apr/2022       MCP7940N 31/Oct/2019      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH