The M48T59Y-70PC1D is a 64 Kbit 8Kb x8 TIMEKEEPER® SRAM from STMicroelectronics, which integrates a binary time counter, a programmable alarm, a 100-year calendar, and battery-backed SRAM. It is designed to provide a comprehensive solution for electronic systems that require an accurate time base and a reliable non-volatile memory storage.
Key Features
- Integrated Power-Supply: Comes with a built-in, long-life lithium battery that ensures data and clock functionality are maintained even in the absence of an external power supply.
- Accurate Timekeeping: Features a quartz crystal that controls the precision of the onboard real-time clock (RTC), ensuring high accuracy in timekeeping.
- Programmable Alarm: The alarm function can be set to a specific time and date, providing a trigger for system events or wake-up calls.
- Calendar Function: A century calendar is embedded within the chip, accounting for leap years and varying month lengths, valid up to the year 2099.
- Serial Interface: Includes a serial interface to communicate with microprocessors via SPI protocol.
- Low Power Consumption: Designed for energy efficiency, which is crucial for battery-backed memory and clock applications.
Applications
The M48T59Y-70PC1D is ideal for a wide range of applications that require reliable timekeeping and data storage without the need for an external power source. It is commonly used in:
- Telecommunication systems
- Embedded systems
- Industrial control systems
- Network servers
- Utility meters
Technical Specifications
Parameter
Value
Memory Size
64 Kbit (8Kb x8)
Package/Case
28-DIP Module
Operating Temperature
0°C to +70°C
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
Overall, the M48T59Y-70PC1D from STMicroelectronics is a robust and reliable component that provides both timekeeping and memory storage solutions, suitable for a variety of sophisticated electronic applications.
