Overview
The W25Q256FVEIG is a 256M-bit Serial NOR Flash memory chip produced by Winbond Electronics. This device is designed for code storage and features both Dual and Quad SPI interfaces, as well as a Quad Peripheral Interface (QPI). It is organized into 131,072 programmable pages of 256 bytes each, offering flexible data and parameter storage capabilities. The W25Q256FVEIG is suitable for a wide range of applications requiring non-volatile memory, including embedded systems, consumer electronics, and industrial devices.
Key Specifications
| Density | 256 Mb |
|---|---|
| Voltage | 2.7 V - 3.6 V |
| Frequency | Up to 104 MHz |
| Package | SOIC16 300mil, WSON8 8x6mm, TFBGA24 6x8mm (4x6 Matrix), TFBGA24 6x8mm (5x5 Matrix), 8-WDFN Exposed Pad |
| Temperature Range | -40℃ ~ 85℃ / -40℃ ~ 105℃ |
| Memory Interface | SPI, Dual SPI, Quad SPI, QPI |
| Write Cycle Time | 3 ms (page write) |
| Erase Options | 4KB sector erase, 32KB block erase, 64KB block erase, chip erase |
| Protection Features | Individual Block/Sector Write Protection, Volatile & Non-Volatile Status Register Bits, 64-Bit Unique ID |
Key Features
- Supports standard SPI, Dual SPI, Quad SPI, and QPI interfaces.
- High-speed clock frequencies up to 104 MHz.
- Flexible erase options: 4KB sectors, 32KB blocks, 64KB blocks, and full chip erase.
- Individual block/sector write protection and volatile/non-volatile status register bits.
- 64-Bit Unique ID for each device and Discoverable Parameters (SFDP) Register.
- Three 256-byte security registers with OTP locks.
- Variety of package options including SOIC, WSON, TFBGA, and 8-WDFN Exposed Pad.
Applications
- Embedded systems requiring non-volatile memory for code storage and data logging.
- Consumer electronics such as set-top boxes, digital TVs, and gaming consoles.
- Industrial control systems and automation devices.
- Automotive systems for infotainment and navigation.
- Internet of Things (IoT) devices and smart home appliances.
Q & A
- What is the memory density of the W25Q256FVEIG?
The W25Q256FVEIG has a memory density of 256 Mb (32 M x 8).
- What are the supported interfaces for the W25Q256FVEIG?
The device supports standard SPI, Dual SPI, Quad SPI, and QPI interfaces.
- What are the voltage and temperature ranges for the W25Q256FVEIG?
The voltage range is 2.7 V - 3.6 V, and the temperature range is -40℃ ~ 85℃ / -40℃ ~ 105℃.
- What are the erase options available for the W25Q256FVEIG?
The device supports 4KB sector erase, 32KB block erase, 64KB block erase, and full chip erase.
- Does the W25Q256FVEIG have any protection features?
Yes, it includes individual block/sector write protection, volatile & non-volatile status register bits, and a 64-Bit Unique ID.
- What package options are available for the W25Q256FVEIG?
The device is available in SOIC16, WSON8, TFBGA24, and 8-WDFN Exposed Pad packages.
- What is the maximum clock frequency supported by the W25Q256FVEIG?
The device supports clock frequencies up to 104 MHz.
- Is the W25Q256FVEIG suitable for new designs?
No, it is not recommended for new designs.
- What is the write cycle time for the W25Q256FVEIG?
The write cycle time is 3 ms for page writes.
- Does the W25Q256FVEIG support OTP (One-Time Programmable) features?
Yes, it includes three 256-byte security registers with OTP locks.
