This part is a kind of semiconductor called 25L4006E.
Function of this product has MX25L4006E.
Manufacturers : MXIC
Image and pinout :

Some of the text within the PDF file :
MX25L4006E MX25L4006E DATASHEET P/N: PM1576 REV. 1.3, FEB. 10, 2012 1 Free Datasheet http://www.datasheet4u.com/ MX25L4006E Contents FEATURES................................................................................................................................................................... 4 GENERAL DESCRIPTION.......................................................................................................................................... 5 PIN CONFIGURATIONS............................................................................................................................................... 5 PIN DESCRIPTION...................................................................................................................................................... [ ... ]
25L4006E PDF Datasheet Download
