This part is a kind of semiconductor called H9CKNNN8GTMPLR-NUH.
Function of this product has 8Gb LPDDR3.
Manufacturers : Hynix
Image and pinout :

Some of the text within the PDF file :
168ball FBGA Specification 8Gb LPDDR3 (x32) This document is a general product description and is subject to change without notice. SK hynix does not assume any responsibility for use of circuits described. No patent licenses are implied. Rev 1.1 / Oct. 2013 1 H9CKNNN8GTMPLR LPDDR3-S8B 8Gb(x32) Document Title FBGA 8Gb (x32) LPDDR3 Revision History Revision No. 0.1 0.2 0.3 0.4 1.0 1.1 - Initial Draft - Corrected tWLS and tWLH in AC Timing Parameters - Corrected a typo - Added DRAM speed 1866Mbps to ORDERING INFORMATION Final Version - Updated IDD specification and Input/Output Capacitance - Added DRAM speed 1866Mbps History Draft Date May. 2013 Jun. 2013 Jun. 2013 Jul. 2013 Aug. 2013 Oct. 2013 Remark Preliminary Preliminary Preliminary Preliminary Rev 1.1 / Oct. 2013 2 H9CKNNN8GTMPL [ ... ]
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