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MR25H40 - 4Mb SPI Interface MRAM

Download the MR25H40 datasheet PDF. This datasheet also covers the MR20H40 variant, as both devices belong to the same 4mb spi interface mram family and are provided as variant models within a single manufacturer datasheet.

General Description

MR2xH40 is a family of 4,194,304-bit magnetoresistive random access memory (MRAM) devices organized as 524,288 words of 8 bits.

They are the ideal memory solution for applications that must store and retrieve data and programs quickly using a small number of I/O pins.

Key Features

  •   No write delays.
  •   Unlimited write endurance.
  •   Data retention greater than 20 years.
  •   Automatic data protection on power loss.
  •   Fast, simple SPI interface, up to 50 MHz clock rate with MR20H40.
  •   3.0 to 3.6 Volt power supply range.
  •   Low-current sleep mode.
  •   Industrial (-40 to 85°C), Extended (-40 to 105°C), and AEC-Q100 Grade 1 (-40 to 125°C) temperature range options.
  •   Available in 8-pin DFN or 8-pin DFN Small Fl.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MR20H40-Everspin.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MR25H40
Manufacturer Everspin
File Size 1.73 MB
Description 4Mb SPI Interface MRAM
Datasheet download datasheet MR25H40 Datasheet

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Other Datasheets by Everspin

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MR20H40 / MR25H40 MR20H40 - 50MHz/20ns tSCK (Industrial Temp Range) 4Mb SPI Interface MRAM MR25H40 - 40MHz/25ns tSCK (Industrial, Extended and AEC-Q100 Grade 1 Temp Range) 4Mb SPI Interface MRAM For more information on product options, see “Table 16 – Ordering Part Numbers” on page 25. FEATURES •  No write delays •  Unlimited write endurance •  Data retention greater than 20 years •  Automatic data protection on power loss •  Fast, simple SPI interface, up to 50 MHz clock rate with MR20H40. •  3.0 to 3.6 Volt power supply range •  Low-current sleep mode •  Industrial (-40 to 85°C), Extended (-40 to 105°C), and AEC-Q100 Grade 1 (-40 to 125°C) temperature range options. •  Available in 8-pin DFN or 8-pin DFN Small Flag, RoHS-compliant packages.