This part is a kind of semiconductor called KMN9W000RM-B205.

Function of this product has 2GB eMMC + 2Gb LPDDR2 S4 SDRAM.

Manufacturers : Samsung

Image and pinout :

Some of the text within the PDF file :

Rev. 1.0, Apr. 2013 KMN9W000RM-B205 0.1, Oct. 2011 MCP Specification 2GB e·MMC + 2Gb LPDDR2 S4 SDRAM 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, safety [ ... ]

KMN9W000RM-B205 PDF Datasheet Download