Everspin Technologies, Inc.

MR25H256MDFR

MR25H256MDFR Description

The MR25H256MDFR is a high-performance, 256Kbit Magnetoresistive RAM (MRAM) memory IC chip designed by Everspin Technologies, Inc. This chip is part of the MR25H256 family and is specifically optimized for automotive applications. It operates with a clock frequency of 40 MHz and supports a supply voltage range of 2.7V to 3.6V. The MR25H256MDFR is packaged in an 8DFN surface-mount package and is available in tape and reel format, making it suitable for automated assembly processes.

This MRAM chip features a 32K x 8 memory organization, providing a robust and reliable non-volatile memory solution. The MR25H256MDFR is designed to meet the stringent requirements of the automotive industry, ensuring high performance and durability in demanding environments. The chip is REACH unaffected and RoHS3 compliant, adhering to the latest environmental and safety standards.

MR25H256MDFR Features

• Memory Interface: The MR25H256MDFR utilizes the SPI (Serial Peripheral Interface) protocol, enabling efficient communication with microcontrollers and other system components. This interface supports high-speed data transfer at a clock frequency of 40 MHz, ensuring fast read and write operations.
• Memory Organization: The chip is organized as 32K x 8, providing a total memory size of 256Kbit. This configuration allows for efficient memory management and is ideal for applications requiring non-volatile storage of critical data.
• Voltage Range: The MR25H256MDFR operates within a supply voltage range of 2.7V to 3.6V, making it suitable for a wide range of power supply configurations. This flexibility ensures compatibility with various automotive systems.
• Moisture Sensitivity Level (MSL): The chip has an MSL of 3 (168 hours), indicating its robustness against moisture exposure during manufacturing and assembly processes.
• Automotive Grade: The MR25H256MDFR is designed to meet the stringent requirements of the automotive industry, ensuring high performance and reliability in demanding environments.
• Environmental Compliance: The chip is REACH unaffected and RoHS3 compliant, adhering to the latest environmental and safety standards.

MR25H256MDFR Applications

The MR25H256MDFR is ideally suited for automotive applications where high reliability, non-volatile memory, and fast data access are critical. Specific use cases include:

• Automotive Control Systems: The MR25H256MDFR can be used in engine control units (ECUs), transmission control modules (TCMs), and other automotive control systems where non-volatile memory is required to store critical data.
• Safety Systems: The chip's robustness and reliability make it suitable for automotive safety systems, such as airbag control modules and anti-lock braking systems (ABS), where data integrity is paramount.
• Infotainment Systems: The MR25H256MDFR can be used in automotive infotainment systems to store user preferences, system settings, and other critical data, ensuring a seamless user experience.
• Telematics and Connectivity: The chip can be used in telematics systems and other connectivity modules to store and transmit critical data, such as vehicle diagnostics and location information.

Conclusion of MR25H256MDFR

The MR25H256MDFR is a high-performance, automotive-grade MRAM memory IC chip that offers a reliable and efficient non-volatile memory solution. Its 40 MHz clock frequency, 32K x 8 memory organization, and SPI interface make it ideal for applications requiring fast data access and storage. The chip's robustness against moisture exposure and compliance with environmental and safety standards further enhance its suitability for demanding automotive environments. While the MR25H256MDFR is not recommended for new designs, it remains a valuable solution for existing automotive systems where its unique features and performance benefits are essential.