M48T08-150PC1: Overview, Features, and Applications


M48T08-150PC1 Overview:

The M48T08-150PC1 is a semiconductor device manufactured by STMicroelectronics. It belongs to the M48Txx series of integrated circuits and combines a non-volatile static RAM (NVSRAM) with a real-time clock (RTC) in a single package. This IC is designed to provide non-volatile data storage combined with timekeeping functions.


Features of M48T08-150PC1:

  1. NVSRAM Functionality: Combines the benefits of static RAM with non-volatile storage capabilities.

  2. Real-Time Clock (RTC): Provides time/date information and supports clock/calendar functions.

  3. Battery Backup: Integrated power fail circuitry and a lithium coin-cell battery backup system for data retention in case of power loss.

  4. Parallel Interface: Typically uses a parallel interface for communication with a microcontroller or other system components.

  5. Low Power Consumption: Designed for low power operation to maximize battery life.

  6. DataSheet

    M48T08-150PC1 PDF

Technical Specifications:

  • Part Number: M48T08-150PC1
  • Memory Size: 8 Kbit (1K x 8)
  • Supply Voltage: Typically operates at 5V
  • Operating Temperature Range: Often designed for industrial or automotive applications
  • Clock Accuracy: Typically specified in parts per million (ppm)

Applications of M48T08-150PC1:

  1. Embedded Systems: Used in embedded applications where non-volatile storage combined with real-time clock functionality is required.

  2. Data Logging: Suitable for storing critical data logs or configuration settings that need to be retained even during power loss.

  3. Industrial Automation: Integrated into industrial control systems that require accurate timekeeping and data retention for event logging.

  4. Medical Devices: Utilized in medical equipment where time-stamping of data and non-volatile storage are essential.

  5. Telecommunications: Found in networking equipment, routers, and switches that need reliable backup memory for configuration data.


  • The M48T08-150PC1 provides a convenient solution for applications needing both non-volatile memory and real-time clock functionalities.
  • Detailed information on interfacing, timing specifications, and data retention features can be found in the datasheet provided by STMicroelectronics.
  • When integrating the M48T08-150PC1 into a design, considerations for power management, backup battery replacement, and communication protocols should be taken into account.

The M48T08-150PC1 from STMicroelectronics is a versatile integrated circuit that combines NVSRAM and RTC capabilities, making it suitable for various applications requiring non-volatile data storage and timekeeping functions in a single component.