This part is a kind of semiconductor called MT41K256M8.
Function of this product has 1.35V DDR3L SDRAM.
Manufacturers : Micron Technology
Image and pinout :
Some of the text within the PDF file :
www.DataSheet.co.kr 2Gb: x4, x8, x16 DDR3L SDRAM Description 1.35V DDR3L SDRAM MT41K512M4 – 64 Meg x 4 x 8 banks MT41K256M8 – 32 Meg x 8 x 8 banks MT41K128M16 – 16 Meg x 16 x 8 banks Description DDR3L SDRAM (1.35V) is a low voltage version of the DDR3 SDRAM (1.5V). Unless stated otherwise, DDR3L SDRAM meet the functional and timing specifications listed in the equivalent density DDR3 SDRAM data sheet located on www.micron.com. • TC of 0°C to +95°C – 64ms, 8192-cycle refresh at 0°C to +85°C – 32ms at +85°C to +95°C • Self refresh temperature (SRT) • Automatic self refresh (ASR) • Write leveling • Multipurpose register • Output driver calibration Features • • • • • • • • • • • • • VDD = V DDQ = 1.35V (1.283–1.45V) Backward-compatible [ ... ]