MR20H40 Datasheet Download Everspin
Download
Everspin
RAM
Part Information Full electrical specs per datasheet
- Part Number
- MR20H40
- Brand
- Everspin
- Series
- MR20H
- Category
- Memory / RAM
- Package
- DFN-8-EP(5x6)
4Mb SPI interface MRAM
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Key Parameters 4 items · per datasheet
| Capacity | 4Mb |
|---|---|
| Interface | SPI |
| Frequency (fc) | 50MHz |
| Operating Temp. | -40~+85°C |
Alternative Parts 6 candidates · auto-compared by subcategory & key parameters
| Part Number | Brand | Verdict | Key Parameter Comparison | Datasheet |
|---|---|---|---|---|
| MR25H40 | Everspin | Pin-compatibleDirect replacement, no board change | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → DFN-8-EP(5x6) | Download |
| MR25H40CDF | Everspin | Pin-compatibleDirect replacement, no board change | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → DFN-8-EP(5x6) | Download |
| MR25H40MDF | Everspin | Pin-compatibleDirect replacement, no board change | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → DFN-8-EP(5x6) | Download |
| M10042040108X0ISAR | RENESAS(瑞萨)/IDT | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → SOIC-8 | Download |
| M30042040054X0ISAY | RENESAS(瑞萨)/IDT | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → SOIC-8 | Download |
| M30042040108X0PWAR | RENESAS(瑞萨)/IDT | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIPackage DFN-8-EP(5x6) → DFN-8(5x6) | Download |
The verdict is based on public parameters only (capacity/interface/package/pins/speed); timing margins, temperature grades, certifications and lot differences are not covered. Confirm with both datasheets before replacing; ask us for samples or validation support.
Pre-replacement Checklist (RAM)
- Compare key parameters item by item (see table above)
- Package & pinout compatibility
- Voltage & power within design margin
- Any surrounding-circuit changes needed
- Validate on a small pilot batch before full switch
These are standard checkpoints for this product type. Verify each item and pilot-test before full switch-in. Ask us for samples, a replacement assessment report or FAE support - free samples and validation assistance provided.
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