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W25Q Series SPI NOR Flash Memory IC — SOP-8, 2MB–16MB, QSPI, 100K Cycles (2-Pack)

W25Q Series SPI NOR Flash Memory IC SOP-8, 2MB–16MB, QSPI, 100K Cycles (2-Pack)

$5.32 USD

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W25Q Series SPI NOR Flash Memory IC — SOP-8, 2–16MB, QSPI, 2-Pack

The W25Q series from Winbond is the industry-standard SPI NOR flash memory used in ESP8266/ESP32 firmware storage, BIOS chips, microcontroller data logging, and embedded system code storage. Supporting Standard SPI, Dual SPI, and Quad SPI (QSPI) at up to 133MHz, these ICs offer 100,000 erase/write cycles and 20-year data retention in a compact SOP-8 package.

Capacity Variants

Part Number	Capacity (bits)	Capacity (bytes)	Max SPI Speed
W25Q16	16Mbit	2MB	104MHz
W25Q32	32Mbit	4MB	133MHz
W25Q64	64Mbit	8MB	133MHz
W25Q128	128Mbit	16MB	133MHz

Common Specifications

Parameter	Value
Package	SOP-8 (SOIC-8)
Interface	Standard SPI / Dual SPI / Quad SPI (QSPI)
Supply Voltage	2.7V – 3.6V
Erase/Write Cycles	100,000 minimum
Data Retention	20 years
Operating Temperature	-40°C to +85°C
Pack Quantity	2 pieces

Why Choose W25Q Series?

✅ Industry-standard Winbond flash — used in ESP8266, ESP32, STM32, and BIOS chips
✅ QSPI support — up to 4× faster than standard SPI for code execution (XIP)
✅ 100,000 write cycles — long service life for data logging applications
✅ 20-year retention — reliable non-volatile storage
✅ SOP-8 package — hand-solderable and compatible with standard SOIC-8 sockets
✅ 2-pack value — spare chip for repair or prototyping