This part is a kind of semiconductor called SEN06464H2CG1SA-30ER.

Function of this product has 512MB DDR2 - SDRAM SO-DIMM.

Manufacturers : Swissbit

Image and pinout :

Some of the text within the PDF file :

Data Sheet Rev.1.0 18.02.2014 512MB DDR2 – SDRAM SO-DIMM 200 Pin SO-DIMM SEN06464H2CG1SA-xx[E/W]R Up to PC2-6400 in FBGA Technology RoHS compliant Options:  Data Rate / Latency Marking DDR2 667 MT/s CL5 DDR2 800 MT/s CL6 -30 -25  Module Density 512MB with 4 dies and 1 rank  Standard Grade Grade E Grade W (tA) 0°C to 70°C (tC) 0°C to 85°C (tA) 0°C to 85°C (tC) 0°C to 95°C *) (tA) -40°C to 85°C (tC) -40°C to 95°C *) *) The refresh rate has to be doubled when 85°C

SEN06464H2CG1SA-30ER PDF Datasheet Download