The requested file:
https://pdf.datasheetcatalog.com/datasheets/700/389215_DS.pdf
is the data sheet for the following electronic components:

Samsung Electronic

#	Part Name	Description
1	K9K4G08Q0M	512M x 8 Bit / 256M x 16 Bit NAND Flash Memory
2	K9K4G08U0M	512M x 8 Bit / 256M x 16 Bit NAND Flash Memory
3	K9K4G16Q0M	512M x 8 Bit / 256M x 16 Bit NAND Flash Memory
4	K9K4G16U0M	512M x 8 Bit / 256M x 16 Bit NAND Flash Memory
5	K9W8G08U1M	512M x 8 Bit / 256M x 16 Bit NAND Flash Memory

Select the part name and then you can download the datasheet in PDF format.