Everspin Technologies / TECHNICAL REFERENCE
SPI toggle MRAM for nonvolatile data storage.
FPGA.io Part Number FIO-4B413575A1DE3039Internal catalogue reference · manufacturer MPN remains unchanged
Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28
DOCUMENTED FACTS
Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.
| Parameter | Documented value | Source & conditions |
|---|---|---|
| Density | 4 Mb | MR25H40 product page ↗Overview and product table |
| Interface | SPI | MR25H40 product page ↗Overview and product table |
| Read/write speed | 40 MHz | MR25H40 product page ↗Overview and product table |
| Data retention | 20 years | MR25H40 product page ↗Overview and product table |
This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.
Include the full ordering code, quantity, delivery requirement and traceability needs. For an assembled board, include BOM revision, programming and test scope.
Request this device ↗COMPLETE PART IDENTITIES
These references belong to this device. Evidence labels distinguish reviewed specifications, public listings and manufacturer coding examples. Counts describe this site’s documented coverage, not stock or all configurations offered by the manufacturer.
| Full ordering number | Package | Speed / temperature | Evidence | Next step |
|---|---|---|---|---|
| MR25H40CDC | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40CDCR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40CDF | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40CDFR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40MDF | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40MDFR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40VDF | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
| MR25H40VDFR | Not verified | Not verifiedNot verified | Manufacturer-listed codeView source ↗ | Device details →Request quotation |
8 of 8 codes shown
No ordering codes match. Clear the search to see this device’s documented codes.
Not verified means that parameter has not been independently established for this exact code. A code example is not confirmation that a configuration can be ordered today.
Compare the documented requirements; inclusion in the same series does not establish interchangeability.
BASE DEVICE
Spin-transfer-torque MRAM base device.
