MR25H128AMDFR

Memory IC Overview

The MR25H128AMDFR is a 128 kbit Magnetoresistive Random Access Memory (MRAM) device manufactured by Everspin Technologies. It features an SPI serial interface and a 16k x 8 organization with an 8-bit data bus width. The component operates within a supply voltage range of 2.7 V to 3.6 V, drawing 6 mA during active operation and 23 mA in standby modes. It is housed in a DFN-8 surface-mount package and supports industrial temperature ranges from -40°C to +125°C.

Memory IC Feature Summary

• Utilizes spin-transfer torque magnetoresistive technology for non-volatile data storage without write delays.
• Integrates a standard Serial Peripheral Interface (SPI) for simplified system connectivity.
• Designed for high endurance and extended data retention capabilities suitable for long-term archival.

Memory IC Applications

• Industrial control systems requiring robust memory under extreme temperatures
• Automotive electronics demanding high reliability and shock resistance
• Smart metering infrastructure needing frequent data logging

Memory IC Procurement Notes

Verify the specific suffix 'R' indicates reel packaging when sourcing components. Confirm that the operating voltage limits align with the target circuit design before integration. Ensure compatibility with the host microcontroller's SPI protocol settings. Check for moisture sensitivity handling requirements during assembly processes.

Memory IC Selection Notes

Select this part for applications requiring non-volatile memory with high cycle endurance and fast access times. Compare against EEPROM or Flash alternatives where write speed and durability are critical constraints. Consider the DFN-8 footprint for space-constrained printed circuit board layouts.

Memory IC Part Context

This component belongs to the MR25H128A series of serial MRAM devices. It represents a shift towards integrating high-performance magnetic memory with standard serial interfaces, expanding the technology's applicability beyond parallel bus architectures.

Memory IC FAQ

What is the maximum clock speed supported by the SPI interface?

The device supports clock speeds of up to 40 MHz.

Does the MR25H128AMDFR require a backup battery for data retention?

No, it is a non-volatile memory device that retains data without power.