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W25Q Series SPI NOR Flash Memory IC — SOP-8, 1MB–16MB, QSPI, 100K Cycles (5-Pack)
W25Q Series SPI NOR Flash Memory IC SOP-8, 1MB–16MB, QSPI, 100K Cycles (5-Pack)
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W25Q Series SPI NOR Flash Memory IC — SOP-8, 1MB–16MB, QSPI (5-Pack)
The W25Q series from Winbond are the industry-standard SPI NOR flash memory ICs in SOP-8 SMD package — used in virtually every embedded system, ESP8266/ESP32 module, BIOS chip, and IoT device for firmware and data storage. All variants support Standard SPI, Dual SPI, and Quad SPI (QSPI) interfaces with up to 133MHz clock. 100,000 erase/write cycle endurance and 20-year data retention. Pack of 5 (select capacity).
Capacity Variants
- W25Q80: 8Mbit = 1MB — for small firmware and config storage
- W25Q16: 16Mbit = 2MB — for ESP8266 modules (standard)
- W25Q32: 32Mbit = 4MB — for ESP8266 with OTA + SPIFFS file system
- W25Q64: 64Mbit = 8MB — for larger firmware or data storage
- W25Q128: 128Mbit = 16MB — for audio files, large file systems, BIOS
Common Specifications
- Package: SOP-8 (SMD, 1.27mm pitch)
- Interface: Standard SPI / Dual SPI / Quad SPI (QSPI)
- Max Clock: 104MHz (W25Q80/16) / 133MHz (W25Q32/64/128 JV series)
- Supply Voltage: 2.7V – 3.6V
- Page Size: 256 bytes | Sector: 4KB
- Endurance: 100,000 erase/write cycles
- Data Retention: 20 years
- Operating Temperature: -40°C to +85°C
- Pack Quantity: 5 ICs
Typical Applications
- ESP8266 / ESP32 module firmware storage (replacement)
- Laptop and desktop BIOS chip replacement
- Embedded system firmware and data storage
- Arduino external SPI flash (LittleFS, SPIFFS)
- IoT device configuration and OTA update storage
W25Q series SPI NOR flash, 5-pack — SOP-8, 1–16MB, QSPI 133MHz, 100K cycles for ESP8266/ESP32 firmware, BIOS replacement, and embedded storage.
