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
Attribute
Details
Memory Size
64 Kbit (8 K x 8)
Battery
Replaceable Lithium
Package/Case
PDIP-28
Operating Temperature
0°C to +70°C
Supply Voltage
4.75V to 5.5V
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.
