Serial MRAM chip MR25H256ACDF overview and characteristics

"Persistent Memory" is typically referring to high performance, bytes, non-volatile memory devices residing on memory bus. MRAM (Magnetic Read-only Memory) and FRAM (ferroelectric RAM) are claimed to have similar performance advantages: low voltage operation, long life and very high speed. They achieve these goals in different ways, although in each case, there is innovative material technology behind performance breakthrough. The first MRAM stores the data bits as changes in the memory cell, which is produced by exposing certain special materials in the magnetic field. FRAM is very different from the MRAM: it stores the position in the ferroelectric material as a fixed potential (voltage). Here is an alternative FRAL MRAM chip MR25H256ACDF. MR25H256ACDF is a serial MRAM, which is a logical organization of the memory array 32Kx8, a serial peripheral interface chip select (CS), serial input (SI), serial output (SO) and serial clock (SCK) four Pin Interface (SPI) bus. Serial MRAM implements a universal command subset of today's SPI EEPROM and flash memory, allowing MRAM to replace these components in the same slot and interoperate on a shared SPI bus. Serial MRAM provides excellent write speed, unlimited durability, low standby and run power, and more reliable data reservations than available serial memory alternatives. MR25H256A Product Options Grade Temperature Package Industrial -40 ~ 85 ° C 8-DFN Small Flag Automotive AEC-Q100 GRADE 3 -40 ~ 85 ° C 8-DFN Small Flag Automotive AEC-Q100 GRADE 1 -40 ~ 125 ° C 8-DFN Small Flag feature • No write delay • Unlimited write durability • Data retains more than 20 years • Automatic data protection at power failure • Block write protection • Fast, simple SPI interface, clock rate up to 40MHz • 2.7 to 3.6 volts supply range • Low Current Sleep Mode • Industrial and automobile 1 and level 3 temperature • Provide 8-DFN Small Flag RoHS compliance packaging. • Direct replacement serial EEPROM, flash memory, ferge • Industrial grade and AEC-Q1001 and level 3 options • Humidity sensitive MSL-3 Everspin Technologies, INC is a market and app for designing manufacturing and commercial transport split and embedded magnetoresistance RAM (MRAM) and spin-transfer torque MRAM (STT-MRAM), market and application of data persistence and applications. Integrity, low delay and security are critical. Everspin deployed more than 120 million MRAM and STT-MRAM products in the data center, cloud storage, energy, industry, automobiles and transportation markets, laying the most powerful, fastest growth for MRAM users. Editor in charge: Tzh, Read more

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