This part is a kind of semiconductor called W25Q64FV.

Function of this product has 3V 64M-BIT SERIAL FLASH MEMORY.

Manufacturers : Winbond

Image and pinout :

Some of the text within the PDF file :

W25Q64FV 3V 64M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI Publication Release Date: June 14, 2016 - 1 Revision Q W25Q64FV Table of Contents 1. GENERAL DESCRIPTION ... 5 2. FEATURES... 5 3. PACKAGE TYPES AND PIN CONFIGURATIONS... 6 3.1 Pin Configuration SOIC / VSOP 208-mil .. 6 3.2 Pad Configuration WSON 6x5-mm / 8X6-mm, XSON 4x4-mm ... 6 3.3 Pin Configuration PD [ ... ]

W25Q64FV PDF Datasheet Download