MR25H256APDF

Memory IC Overview

The MR25H256APDF is a 256Kb magnetoresistive random access memory (MRAM) device organized as 32K x 8 bits. It features a serial peripheral interface (SPI) compatible with standard SPI protocols. The component operates within a supply voltage range of 2.7V to 3.6V and supports clock frequencies up to 40MHz. It is housed in an 8-DFN package and is designed for industrial temperature ranges, typically spanning -40°C to +125°C.

Memory IC Feature Summary

• Non-volatile data retention without write delays or power consumption during standby
• Unlimited endurance capability eliminating wear-out concerns associated with flash memory
• Serial SPI interface providing pin-count reduction and simplified board integration

Memory IC Applications

• Automotive data logging systems requiring AEC Q100 Grade 1 compliance
• Parameter storage for electric vehicle powertrain control units
• Industrial equipment configuration and calibration data preservation

Memory IC Procurement Notes

Verify the specific suffix 'A' against the manufacturer's current datasheet to confirm exact electrical characteristics and packaging details. Ensure compatibility with system voltage levels and SPI timing requirements before integration. Confirm availability status as production cycles may vary by region.

Memory IC Selection Notes

Select this component when unlimited write endurance and non-volatility are critical. It serves as a drop-in replacement for serial EEPROMs and Flash where write speed and longevity are prioritized over cost. Suitable for applications requiring frequent parameter updates without degradation.

Memory IC Part Context

This part belongs to the MR25H256 series of serial SPI MRAM devices from Everspin Technologies. The series is characterized by its spin-transfer torque technology, offering high reliability and fast write speeds compared to traditional non-volatile memory technologies.

Memory IC Replacement Considerations

Check for direct substitutes within the MR25H256 family such as MR25H256AMDF or MR25H256CDFR. Verify pinout compatibility and voltage specifications before substituting.