The M40Z111WMH6 from STMicroelectronics is a robust, low-power SRAM with a built-in quartz crystal and lithium battery. This highly integrated product is designed to continuously keep track of the time, date, and month, making it an ideal choice for applications requiring reliable timekeeping and data retention without an external power source.

Key Features

• Integrated Power Supply: The device comes with a self-contained lithium battery and crystal, which ensures a long-lasting and stable power supply for the SRAM and real-time clock (RTC).
• Low Power Consumption: It is engineered for energy efficiency, which is crucial for battery-powered applications. The low power consumption extends the life of the onboard battery, ensuring long-term reliability of the timekeeping function.
• High Data Retention: The M40Z111WMH6 is capable of retaining data for an extended period, thanks to its non-volatile memory feature. This makes it suitable for critical data storage applications where data integrity is paramount.
• Real-Time Clock: The chip includes a real-time clock that maintains accurate time and date information. This feature is particularly useful in systems that require time-stamping or scheduled operations.

Applications

The M40Z111WMH6 is versatile and can be used in a variety of applications, including:

• Utility meters
• Security systems
• Industrial control systems
• Embedded systems
• Portable devices

Technical Specifications

The device features a 44-pin SOIC package, making it compact and suitable for space-constrained applications. Its operating temperature range is from -40°C to +85°C, which allows it to function reliably in a wide range of environmental conditions.

Conclusion

The STMicroelectronics M40Z111WMH6 is a testament to the company's commitment to providing high-quality, integrated solutions for data retention and timekeeping. With its low power consumption, high data retention, and integrated RTC, this chip is an excellent choice for designers looking to incorporate reliable timekeeping and data storage capabilities into their systems.