The MK48T02B-20 from STMicroelectronics is a high-performance Timekeeper® SRAM, which integrates a real-time clock, a 2K x 8 static RAM, and a power-fail control circuit into a single 24-pin DIP package. This innovative product is designed to maintain seamless operation by preserving data and keeping time in the event of a power outage, making it an essential component for a wide range of applications that require reliable timekeeping and data storage capabilities.

Key Features

• Integrated Real-Time Clock (RTC): The device features a precision RTC with an accuracy of ±1 minute/month at 25°C, which is essential for time-sensitive applications.
• 2KB NV SRAM: The non-volatile static RAM has a capacity of 2KB, offering ample space for data storage that is preserved during power loss without the need for a battery backup.
• Automatic Power-Fail Chip Deselect and Write Protection: These features activate during power transitions, ensuring data integrity by preventing inadvertent writes.
• Low Power Consumption: The MK48T02B-20 is designed for energy efficiency, which is critical for battery-powered or energy-sensitive applications.
• 20-Year Data Retention: The device guarantees data retention for a minimum of 20 years, providing long-term reliability.
• Self-Contained Battery and Crystal: With an integrated lithium battery and crystal, the MK48T02B-20 is a self-reliant module that reduces the need for additional external components.

Applications

The MK48T02B-20 is suitable for a broad range of applications, including:

• Industrial control systems
• Telecommunication systems
• Network servers
• Medical equipment
• Embedded systems

Technical Specifications

• Supply Voltage: 4.75V to 5.5V
• Operating Temperature: 0°C to +70°C
• Package: 24-pin DIP (DIP-24)
• Access Time: 200ns

The MK48T02B-20 by STMicroelectronics is a testament to the company's commitment to providing innovative and reliable integrated solutions. It stands out as a versatile and essential component for maintaining data and time accuracy across various high-reliability systems.