Winbond Electronics W25Q256JVEIQ


- Part Number:
W25Q256JVEIQ
- Manufacturer:
- Category:
- RoHs:
RoHS Compliant - Datasheet:
W25Q256JVEIQ_Datesheet - Description:
IC FLASH 256MBIT SPI/QUAD 8WSON
- In stock 34,495
W25Q256JVEIQ – Complete Datasheet Summary
1. Basic Identification
- Full Part Number: W25Q256JVEIQ
- Manufacturer: Winbond Electronics Corporation
- Family: SpiFlash W25Q256JV Series
- Density: 256M‑bit / 32M‑byte
- Voltage: 2.7V to 3.6V single supply
- Temperature Range: Industrial (‑40°C to +85°C)
- Package: 8‑pad WSON 8×6 mm (Package Code E)
- Marking: 25Q256JVEQ
- RoHS / Green: Lead‑free, halogen‑free, Sb₂O₃‑free
- Quad Enable: Factory fixed QE=1 (Quad IO enabled by default)
2. Key Features
- High‑Speed SPI
- Memory Architecture
- Low Power
- Reliability
- Security
- Special Functions
3. Memory Organization
- Total memory: 33,554,432 bytes
- Page: 131,072 pages × 256 bytes
- Sector: 8,192 sectors × 4KB
- Block: 512 blocks × 64KB
4. Electrical Specifications
Operating Ranges
- Supply voltage: 2.7V – 3.6V
- Operating temperature: ‑40°C to +85°C
Timing Parameters (Typical/Max)
- Page Program time: 0.7 ms / 3 ms
- Sector Erase (4KB): 50 ms / 400 ms
- 32KB Block Erase: 120 ms / 1600 ms
- 64KB Block Erase: 150 ms / 2000 ms
- Chip Erase: 80 s / 400 s
- Write Status Register: 10 ms / 15 ms
- Reset time: 30 µs
DC Characteristics
- Standby current (ICC1): max 60 µA
- Power‑down current (ICC2): max 20 µA
- Read current (104MHz): max 20 mA
- Program/Erase current: max 25 mA
5. Pin Configuration (WSON‑8 8×6 mm, Top View)
| Pin No. | Pin Name | Function |
|---|---|---|
| 1 | /CS | Chip Select |
| 2 | DO (IO1) | Data Out / I/O 1 |
| 3 | /WP (IO2) | Write Protect / I/O 2 |
| 4 | GND | Ground |
| 5 | DI (IO0) | Data In / I/O 0 |
| 6 | CLK | Serial Clock |
| 7 | IO3 | I/O 3 (HOLD/RESET function disabled) |
| 8 | VCC | Power Supply |
6. Protection Mechanisms
- Block Protection: BP0–BP3, TB, CMP bits
- Individual Block/Sector Lock: WPS=1 mode
- Power‑supply lockout
- Hardware /WP pin protection
- OTP lock for security registers
- Volatile & non‑volatile status register protection
7. Supported Instructions (Main)
- Read: Fast Read, Dual/Quad I/O Read
- Program: Page Program, Quad Input Page Program
- Erase: 4KB Sector, 32KB/64KB Block, Chip Erase
- Suspend/Resume: Erase/Program Suspend (75h), Resume (7Ah)
- Protection: Write Enable/Disable, Lock/Unlock
- ID: Read JEDEC ID (9Fh), Unique ID (4Bh)
- Reset: Enable Reset (66h), Reset (99h)
8. Package Mechanical Data
- Package Type: WSON‑8, 8.0×6.0 mm
- Thickness: 0.75 mm (nominal)
- Pitch: 1.27 mm
- RoHS compliant, halogen‑free
9. Ordering & Marking
- Full part: W25Q256JVEIQ
- Topside marking: 25Q256JVEQ
- Package code: E
- Grade: Industrial (I)
- QE: Fixed QE=1 (Quad SPI always enabled)
10. Typical Applications
- Code storage & execute‑in‑place (XIP)
- Industrial controllers
- IoT devices
- Consumer electronics
- Wearable & battery‑powered systems
- Data logging & firmware storage
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Winbond Electronics

Winbond Electronics

Winbond Electronics

Winbond Electronics

Winbond Electronics

Winbond Electronics
Winbond Electronics

Winbond Electronics

Winbond Electronics

Winbond Electronics

Winbond Electronics
Winbond Electronics












