Manufacturer Part Number
MCP7940N-E/MS
Manufacturer
microchip-technology
Introduction
The MCP7940N-E/MS is a highly integrated, low-power real-time clock (RTC) module with 64-byte of non-volatile SRAM. It provides accurate timekeeping, calendar functions, and alarm capabilities, making it suitable for a wide range of applications, including industrial, automotive, and consumer electronics.
Product Features and Performance
Highly accurate real-time clock and calendar with leap year functionality
64-byte of non-volatile SRAM for storing configuration and time-related data
Programmable square wave output
Alarm functionality with configurable alarm match conditions
Low power consumption (1.2 μA typical in timekeeping mode)
Wide operating voltage range: 1.8V to 5.5V
Product Advantages
Compact surface-mount package with small footprint
Automotive-grade qualification (AEC-Q100)
Integrated SRAM for easy configuration and data storage
Versatile alarm and square wave output features
Key Reasons to Choose This Product
Reliable and accurate timekeeping for mission-critical applications
Low power consumption for extended battery life
Automotive-grade quality and reliability
Flexible integration options with I2C and 2-wire serial interface
Quality and Safety Features
Automotive-grade qualification (AEC-Q100)
RoHS-compliant and lead-free package
Compatibility
The MCP7940N-E/MS is compatible with a wide range of microcontrollers and embedded systems that support the I2C or 2-wire serial interface.
Application Areas
Industrial automation and control systems
Automotive electronics
Consumer electronics
Building automation and security systems
Medical devices
Internet of Things (IoT) applications
Product Lifecycle
The MCP7940N-E/MS is an active product, and there are no plans for discontinuation at this time. Microchip Technology offers several equivalent and alternative models, such as the MCP7940N-I/MS and the MCP79411-I/MS, which provide similar functionality and features. Customers are advised to contact our website's sales team for more information on available options and product life cycle updates.