This part is a kind of semiconductor called K9F1G08U0E.

Function of this product has 1Gb E-die NAND Flash.

Manufacturers : Samsung semiconductor

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Some of the text within the PDF file :

SAMSUNG CONFIDENTIAL Rev. 1.11, Aug. 2013 K9F1G08U0E 1Gb E-die NAND Flash Single-Level-Cell (1bit/cell) datasheet SAMSUNG ELECTRONICS RESERVES THE RIGHT TO CHANGE PRODUCTS, INFORMATION AND SPECIFICATIONS WITHOUT NOTICE. Products and specifications discussed herein are for reference purposes only. All information discussed herein is provided on an "AS IS" basis, without warranties of any kind. This document and all information discussed herein remain the sole and exclusive property of Samsung Electronics. No license of any patent, copyright, mask work, trademark or any other intellectual property right is granted by one party to the other party under this document, by implication, estoppel or otherwise. Samsung products are not intended for use in life support, critical care, medical, [ ... ]

K9F1G08U0E PDF Datasheet Download