Winbond W25Q64A-4 8 MB (64 Mbit) BIOS IC SOP-8

The Winbond W25Q64A-4 (25Q64A) is a 64 Mbit (8 MB) serial flash memory IC designed for BIOS, firmware, and code storage in laptops, embedded devices, and desktop motherboards.

It supports SPI / Dual / Quad I/O modes for fast and reliable data access, with read frequencies up to 108 MHz.

Operating on a 2.7 V – 3.6 V supply and supporting up to 100,000 program/erase cycles, this chip ensures long-term reliability even under continuous use.

With its SOP-8 (200 mil) package, the 25Q64A is easy to replace or reprogram during motherboard or embedded system repairs.

Every BIOS IC supplied by OKSpare is quality-tested and dispatched by our expert team at Nehru Place, Delhi.

We ensure fast all-India courier delivery, verified genuine components, and the best pricing trusted by technicians and service centres nationwide.

Technical Summary:

• Manufacturer: Winbond Electronics Corporation
• Model: W25Q64A-4 / 25Q64A
• Density: 64 Mbit (8 MB)
• Voltage Supply: 2.7 V – 3.6 V
• Program / Erase Cycles: 100,000 cycles
• Clock Frequency: Up to 108 MHz
• Interface: SPI / Dual / Quad I/O
• Package: SOP-8 (200 mil)
• Operating Temperature: –40 °C to +85 °C
• Function: BIOS / Firmware / Serial Flash Memory