This part is a kind of semiconductor called W25Q128FV.

Function of this product has 3V 128M-BIT SERIAL FLASH MEMORY.

Manufacturers : Winbond

Image and pinout :

Some of the text within the PDF file :

W25Q128FV 3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI Publication Release Date: October 09,, 2013 Revision H1 http:// W25Q128FV Table of Contents 1. GENERAL DESCRIPTIONS . 5 2. FEATURES ... 5 3. PACKAGE TYPES AND PIN CONFIGURATIONS ... 6 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.1 4.2 4.3 4.4 4.5 4.6 Pin Configuration SOIC / VSOP 208-mil .. 6 [ ... ]

W25Q128FV PDF Datasheet Download