The M48T18-150PC1 is a 64 Kbit 8Kb x8 TIMEKEEPER® Static RAM integrated with a serial real-time clock, power-fail control circuit, and battery. Manufactured by STMicroelectronics, this TIMEKEEPER® SRAM is a highly integrated battery-backed memory module that maintains a full functionality set at power levels down to 2.0V. It is designed to provide a reliable non-volatile memory solution with a built-in timekeeping function, particularly suitable for applications requiring data and time storage without the risk of data loss during power outages.

Key Features

• Integrated, ultra-low power SRAM and real-time clock (RTC)
• Self-contained battery and crystal in the DIP package
• 48 bytes of BCD clock and control registers
• Automatic power-fail chip deselect and write protection
• Write protect voltages (VPFD = power-fail deselect voltage): 4.5V – 4.75V
• Read and write access times of 150ns
• Software controlled clock calibration for high accuracy
• Operating temperature range: 0°C to +70°C

Applications

The M48T18-150PC1 is ideal for a wide range of applications where reliable and durable non-volatile memory storage is crucial. It is commonly used in:

• Industrial control systems
• Utility meters
• Security systems
• Network routers and switches
• Medical equipment
• Point of Sale (POS) terminals

Product Specifications

The M48T18-150PC1 TIMEKEEPER® SRAM offers a storage capacity of 64 Kbits with an 8-bit parallel data bus. It comes in a 28-pin, 600 mil DIP package, ensuring easy integration into various systems. The module's battery ensures data retention for a minimum of 10 years in the absence of power, making it a reliable choice for critical data and timekeeping functions.

For designers and engineers looking for a memory solution that combines ease of integration with robustness and precision, the M48T18-150PC1 from STMicroelectronics represents an excellent choice, offering both reliability and the added convenience of an integrated real-time clock.