The M48Z09-100PC1 is a highly integrated battery-backed SRAM with a real-time clock (RTC) by STMicroelectronics, designed for applications that require reliable and durable non-volatile memory storage with a built-in timekeeping capability. This device offers a unique combination of volatile and non-volatile memory functionality, making it ideal for a wide array of computing, industrial, telecommunications, and consumer electronics.

Key Features

• Memory Storage: The device comes with 64 Kbit (8 K x 8) of SRAM, providing ample storage for critical data that must be preserved during power loss.
• Integrated Power-Fail DeSelect (PFD): The M48Z09-100PC1 features an automatic power-fail chip deselect circuitry that switches the device to battery mode during a power failure, ensuring data integrity.
• Real-Time Clock: An integrated quartz crystal controls the real-time clock, which keeps track of time with precision and reliability. The RTC provides hours, minutes, and seconds in BCD format.
• Battery Backup: The device includes a built-in, replaceable, long-life lithium battery that ensures data retention and proper RTC operation for over 10 years in the absence of external power.
• Low Power Consumption: Designed for energy efficiency, the M48Z09-100PC1 operates with low power consumption, making it suitable for battery-powered applications.

Applications

The M48Z09-100PC1 is utilized in systems that require data and time to be maintained even when the main power supply is unavailable. It is particularly useful in:

• Industrial control systems
• Utility meters
• POS terminals
• Network routers and switches
• Medical equipment
• Automotive electronics

Technical Specifications

Overall, the M48Z09-100PC1 from STMicroelectronics is a robust and reliable choice for systems that cannot afford to lose data or time tracking due to power interruptions.