P25Q40U-UXH-IR Datasheet Download PUYA
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PUYA
NOR FLASH
Part Information Full electrical specs per datasheet
- Part Number
- P25Q40U-UXH-IR
- Brand
- PUYA
- Series
- P25Q40U
- Category
- Memory / NOR FLASH
- Package
- -
ultra- low-power serial multi- I/O flash memory
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Key Parameters 4 items · per datasheet
| Interface | SPI |
|---|---|
| Capacity | 4Mbit |
| Frequency (fc) | 85MHz |
| Supply Voltage | 1.65V~3.6V |
Alternative Parts 6 candidates · auto-compared by subcategory & key parameters
| Part Number | Brand | Verdict | Key Parameter Comparison | Datasheet |
|---|---|---|---|---|
| MX25V4006EZNI-13GTR | MXIC | Pin-compatibleDirect replacement, no board change | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 2.3~3.6VPackage - → - | Download |
| EN25Q40A-104GIP | ESMT | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 2.7~3.6VPackage - → SOP-8 | Download |
| GD25D40CKJGR | GigaDevice | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 2.7~3.6VPackage - → USON-8-EP(1.5x1.5) | Download |
| GD25LD40COIGR | GigaDevice | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 1.65~2VPackage - → TSSOP-8 | Download |
| GD25LQ40CE2GR | GigaDevice | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 1.65~2.1VPackage - → USON-8 | Download |
| GD25LQ40CEIGR | GigaDevice | Function-compatibleSame capacity/interface, different package — board change needed | Capacity 4Mbit → 4MbitInterface SPI → SPIVoltage 1.65~3.6V → 1.65~2.1VPackage - → USON-8-EP(2x3) | 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 (NOR FLASH)
- Package & pinout compatibility (SOP8/WSON/SOIC8 pad map)
- SPI command set & Quad/QSPI support (Fast Read 0xEB, erase commands)
- Capacity, page size & sector architecture (256B page, 4K sector)
- Voltage range & speed grade (80/104/133MHz and quad-transfer rates)
- JEDEC ID & init flow (driver adaptation needed if ID differs)
- Write-protect, OTP & unique-ID security features
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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