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MR25H40MDF

Everspin TechExtended

4Mbit MRAM SPI DFN-8-EP(5x6) Random Access Memory (RAM) ROHS

Part id
everspin-tech/MR25H40MDF
Category
Random Access Memory (RAM)
Package
DFN-8-EP(5x6)
Pins
9
In stock
0 at JLCPCB (C17645863)
Used on
11 open-source boards

Overview

The MR25H40MDF is a random Access Memory made by Everspin Tech in a DFN-8-EP(5x6) package with 9 pins. 4Mbit MRAM SPI DFN-8-EP(5x6) Random Access Memory (RAM) ROHS.

PCBKit's library has its KiCad symbol (Memory_NVRAM:MR25H40, from KiCad's library) and its footprint (EasyEDA_Cloud:DFN-8_L5.0-W6.0-P1.27-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C17645863). 11 open-source boards in 7 repositories on GitHub use it.

Symbol

CS1SO2WP3VSS4SI5SCK6HOLD7VDD8PAD9
Memory_NVRAM:MR25H40From KiCad's library

Footprint

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EasyEDA_Cloud:DFN-8_L5.0-W6.0-P1.27-BL-EPFrom EasyEDA

Pinout

9
The pins of the MR25H40MDF
PinNameType
1CSInput
2SOOutput
3WPInput
4VSSPower in
5SIInput
6SCKInput
7HOLDInput
8VDDPower in
9PADPower in

Open-source boards using it

11See all 11
  • 4 layers90.2 × 95.9 mmMainboard v04, the printed circuit board in 3D

    Mainboard v04

    pycubed/hardware

    Pycubed PC104 layout design files

    201 parts97
  • 4 layers90.2 × 95.9 mmADCS board, the printed circuit board in 3D

    ADCS board

    onionharvester/boardwalk

    A little gathering place for my PCBs. This is their favourite hangout spot! 🪼⋆.ೃ࿔*:・

    205 parts55
  • 4 layers90.2 × 95.9 mmPicubed samwise, the printed circuit board in 3D

    Picubed samwise

    stanford-ssi/samwise-avionics

    Avionics for 2U Rev of Sputnik Satellite

    191 parts13
  • 4 layers90.2 × 95.9 mmMainboard v05, the printed circuit board in 3D

    Mainboard v05

    alxklso/ISP-cubesat

    This is the repo for the Isomer Space Program (ISP) 1U CoyoteSat CubeSat mission.

    255 parts1MIT
  • 4 layers90.2 × 95.9 mmMainboard v06b samwise, the printed circuit board in 3D

    Mainboard v06b samwise

    pete4radio/SAMWISE-1-1-HW-Training

    PCBs fabbed in May 2024 for SAMWISE

    204 parts
  • 4 layers90.2 × 95.9 mmADCS board, the printed circuit board in 3D

    ADCS board

    pete4radio/SAMWISE-1-2-HW-Training

    SAMWISE boards existing or newly ordered March 2025

    197 parts
  • 4 layers90.2 × 95.9 mmMainboard v01, the printed circuit board in 3D

    Mainboard v01

    pycubed/hardware

    Pycubed PC104 layout design files

    142 parts97

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the MR25H40MDF?

Yes. The symbol is Memory_NVRAM:MR25H40 and the footprint EasyEDA_Cloud:DFN-8_L5.0-W6.0-P1.27-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MR25H40MDF?

DFN-8-EP(5x6), with 9 pins. Its footprint is drawn on this page.

Where is the MR25H40MDF datasheet?

Everspin Tech publishes it: the Datasheet link on this page opens it.

Where can I order the MR25H40MDF?

JLCPCB lists it as part C17645863, with 0 in stock; the sellers' links on this page open their listings.

What can replace the MR25H40MDF?

Parts like it in the library: the MR25H10CDFR by Everspin Tech, the MR20H40CDF by Everspin Tech, the MR25H256AMDF by Everspin Tech and the MR25H256CDF by Everspin Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MR25H40MDF?

11 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.