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MR20H40DF on a board, in 3D

MR20H40DF

Everspin Tech

4Mbit MRAM Power-up/power-down/under-voltage data protection function、Software write protection function、Block protection function、Write protection function、Write enable latch function、Hardware write protection function SPI DFN-8-EP,SMALLFLAG(5x6) Random Access Memory (RAM) ROHS

Extended
DatasheetJLCPCBLCSCeverspin-tech/MR20H40DF
Category
Random Access Memory (RAM)
Package
DFN-8-EP,SMALLFLAG(5x6)
Pins
9

Overview

The MR20H40DF is a random Access Memory made by Everspin Tech in a DFN-8-EP,SMALLFLAG(5x6) package with 9 pins. 4Mbit MRAM Power-up/power-down/under-voltage data protection function、Software write protection function、Block protection function、Write protection function、Write enable latch function、Hardware write protection function SPI DFN-8-EP,SMALLFLAG(5x6) Random Access Memory (RAM) ROHS.

PCBKit's library has its KiCad symbol (Memory_NVRAM:MR20H40, 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 C19302497). 1 open-source board in 1 repository on GitHub use it.

Symbol

CS1SO2WP3VSS4SI5SCK6HOLD7VDD8PAD9
Memory_NVRAM:MR20H40From KiCad's library

Footprint

123456789
EasyEDA_Cloud:DFN-8_L5.0-W6.0-P1.27-BL-EPFrom EasyEDA

Parameters

4
Features
Power-up/power-down/under-voltage data protection function, Software write protection function, Block protection function, Write protection function, Write enable latch function, Hardware write protection function
Interface
SPI
Memory Format
MRAM
Memory Size
4Mbit

Order codes

1

Pinout

9
The pins of the MR20H40DF
PinNameType
1CSInput
2SOOutput
3WPInput
4VSSPower in
5SIInput
6SCKInput
7HOLDInput
8VDDPower in
9PADPower in

Open-source boards using it

All 1
  • 6 layers90.2 × 95.9 mmEPS mppt board, the printed circuit board in 3D

    EPS mppt board

    JaronCyna/sat_mppt_pcb

    Maximum Power Point Tracking board meant for use in the QSET 3U CubeSat

    287 parts

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Questions

Is there a KiCad symbol and footprint for the MR20H40DF?

Yes. The symbol is Memory_NVRAM:MR20H40 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 MR20H40DF?

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

Where is the MR20H40DF datasheet?

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

Where can I order the MR20H40DF?

JLCPCB lists it as part C19302497, with 0 in stock; the sellers' links on this page open their listings.

What can replace the MR20H40DF?

Parts like it in the library: the MR25H10CDFR by Everspin Tech, the MR20H40CDF by Everspin Tech, the MR25H40MDF by Everspin Tech and the MR25H256AMDF by Everspin Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MR20H40DF?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8