This part is a kind of semiconductor called KLM8G1WEMB-B031.
Function of this product has eMMC.
Manufacturers : Samsung
Image and pinout :
Some of the text within the PDF file :
SAMSUNG CONFIDENTIAL Rev. 1.0 Aug. 2013 KLMxGxxEMx-B031 Samsung e·MMC Product family e.MMC 5.0 Specification compatibility 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 [ ... ]