MB85RS256BPNF-G-JNERE1 Datasheet Download RAMXEED/FUJITSU
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RAMXEED/FUJITSU
FRAM
Part Information Full electrical specs per datasheet
- Part Number
- MB85RS256BPNF-G-JNERE1
- Brand
- RAMXEED/FUJITSU
- Series
- MB85RS
- Category
- Memory / FRAM
- Package
- SOIC-8
256K (32K × 8) Bit SPI random-access memory
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Key Parameters 6 items · per datasheet
| Interface | SPI |
|---|---|
| Capacity | 256Kbit |
| Supply Voltage | 2.7V~3.6V |
| Supply Current | 5mA |
| Frequency (fc) | 33MHz |
| Operating Temp. | -40~+85°C |
Alternative Parts 6 candidates · auto-compared by subcategory & key parameters
| Part Number | Brand | Verdict | Key Parameter Comparison | Datasheet |
|---|---|---|---|---|
| FM25V02A-G | Infineon/CYPRESS | Pin-compatibleDirect replacement, no board change | Capacity 256Kbit → 256KbitInterface SPI → SPIVoltage 2.7~3.6V → 2~3.6VPackage SOIC-8 → SOIC-8 | Download |
| FM25V02A-GTR | Infineon/CYPRESS | Pin-compatibleDirect replacement, no board change | Capacity 256Kbit → 256KbitInterface SPI → SPIVoltage 2.7~3.6V → 2~3.6VPackage SOIC-8 → SOIC-8 | Download |
| FM25W256-G | Infineon/CYPRESS | Pin-compatibleDirect replacement, no board change | Capacity 256Kbit → 256KbitInterface SPI → SPIVoltage 2.7~3.6V → 2.7~5.5VPackage SOIC-8 → SOIC-8 | Download |
| FM25W256-GTR | Infineon/CYPRESS | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 256Kbit → 256KbitInterface SPI → SPIVoltage 2.7~3.6V → 2.7~5.5VPackage SOIC-8 → SOIC-8-150mil | Download |
| CY15B104Q-SXI | Infineon/CYPRESS | UpgradeHigher capacity, works but may cost more | Capacity 256Kbit → 4MbitInterface SPI → SPIVoltage 2.7~3.6V → 2~3.6VPackage SOIC-8 → SOIC-8 | Download |
| CY15B204QII | Infineon | UpgradeHigher capacity, works but may cost more | Capacity 256Kbit → 4MbitInterface SPI → SPIVoltage 2.7~3.6V → 1.8~3.6VPackage SOIC-8 → GQFN-8(3.2x3.3) | 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 (FRAM)
- Interface & timing compatibility (SPI/I2C mode, max clock)
- Density & write granularity (no page limit is a FRAM advantage)
- Endurance (10^13-level) & retention years
- Voltage range & ultra-low-power behavior
- Use-case match when replacing EEPROM/battery-backed SRAM
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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