This part is a kind of semiconductor called W25Q128BV.
Function of this product has 3V 128M-BIT SERIAL FLASH MEMORY.
Manufacturers : Winbond
Image and pinout :

Some of the text within the PDF file :
W25Q128BV 3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI www.DataSheet.net/ -1- Publication Release Date: April 01, 2011 Revision E Datasheet pdf - http://www.co.kr/ W25Q128BV Table of Contents 1. 2. 3. GENERAL DESCRIPTION ... 5 FEATURES ... 5 PACKAGE TYPES AND PIN CONFIGURATIONS... 6 3.1 3.2 3.3 3.4 3.5 3.6 4. 4.1 4.2 4.3 4.4 4.5 5. 6. Pad Configuration WSON 8x6-mm .. 6 Pad [ ... ]
W25Q128BV PDF Datasheet Download
