Overview
The MR20H40CDFR 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:MR20H40, from KiCad's library) and its footprint (EasyEDA_Cloud:W-PDFN-8_L6.0-W5.0-P1.27-TL-EP3.0, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C17236361).
Symbol
Footprint
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- MR20H40CDFRLCSC C17236361
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | CS | Input |
| 2 | SO | Output |
| 3 | WP | Input |
| 4 | VSS | Power in |
| 5 | SI | Input |
| 6 | SCK | Input |
| 7 | HOLD | Input |
| 8 | VDD | Power in |
| 9 | PAD | Power in |
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Is there a KiCad symbol and footprint for the MR20H40CDFR?
Yes. The symbol is Memory_NVRAM:MR20H40 and the footprint EasyEDA_Cloud:W-PDFN-8_L6.0-W5.0-P1.27-TL-EP3.0, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MR20H40CDFR?
DFN-8-EP(5x6), with 9 pins. Its footprint is drawn on this page.
Where is the MR20H40CDFR datasheet?
Everspin Tech publishes it: the Datasheet link on this page opens it.
Where can I order the MR20H40CDFR?
JLCPCB lists it as part C17236361, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MR20H40CDFR?
Parts like it in the library: the MR25H10MDF by Everspin Tech, the MR25H128ACDF by Everspin Tech, the MR25H128ACDFR by Everspin Tech and the MR25H128AMDF by Everspin Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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