MR20H40DFR
Everspin TechExtended
3V~3.6V 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
- Part id
- everspin-tech/MR20H40DFR
- Category
- Random Access Memory (RAM)
- Package
- DFN-8-EP,SMALLFLAG(5x6)
- Pins
- 9
- In stock
- 0 at JLCPCB (C19308182)
Overview
The MR20H40DFR is a random Access Memory made by Everspin Tech in a DFN-8-EP,SMALLFLAG(5x6) package with 9 pins. 3V~3.6V 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 C19308182).
Symbol
Footprint
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 |
Parts like it
8MR25H10CDFR
DFN-8-EP(5x6)1Mbit MRAM SPI DFN-8-EP(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR20H40CDF
DFN-8-EP(5x6)-40℃~+85℃ 3V~3.6V 4Mbit MRAM SPI DFN-8-EP(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H40MDF
DFN-8-EP(5x6)4Mbit MRAM SPI DFN-8-EP(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H256AMDF
DFN-8(5x6)256Kbit MRAM SPI DFN-8(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H256CDF
DFN-8(5x6)256Kbit MRAM SPI DFN-8(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H256CDFR
DFN-8(5x6)256Kbit MRAM SPI DFN-8(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H256MDF
DFN-8(5x6)-40℃~+125℃ 256Kbit MRAM SPI DFN-8(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)MR25H256MDFR
DFN-8(5x6)256Kbit MRAM SPI DFN-8(5x6) Random Access Memory (RAM) ROHSEverspin TechRandom Access Memory (RAM)
Questions
Is there a KiCad symbol and footprint for the MR20H40DFR?
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 MR20H40DFR?
DFN-8-EP,SMALLFLAG(5x6), with 9 pins. Its footprint is drawn on this page.
Where is the MR20H40DFR datasheet?
Everspin Tech publishes it: the Datasheet link on this page opens it.
Where can I order the MR20H40DFR?
JLCPCB lists it as part C19308182, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MR20H40DFR?
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.