The requested file:
https://pdf.datasheetcatalog.com/datasheets/150/232339_DS.pdf
is the data sheet for the following electronic components:

National Semiconductor

#	Part Name	Description
1	74LS153	Dual 4-Line to 1-Line Data Selectors/Multiplexers
2	DM54LS153E	Dual 4-Line to 1-Line Data Selectors/Multiplexers
3	DM54LS153J	Dual 4-Line to 1-Line Data Selectors/Multiplexers
4	DM54LS153M	Dual 4-Line to 1-Line Data Selectors/Multiplexers
5	DM54LS153N	Dual 4-Line to 1-Line Data Selectors/Multiplexers
6	DM54LS153W	Dual 4-Line to 1-Line Data Selectors/Multiplexers
7	DM74LS153E	Dual 4-Line to 1-Line Data Selectors/Multiplexers
8	DM74LS153J	Dual 4-Line to 1-Line Data Selectors/Multiplexers
9	DM74LS153M	Dual 4-Line to 1-Line Data Selectors/Multiplexers
10	DM74LS153N	Dual 4-Line to 1-Line Data Selectors/Multiplexers
11	DM74LS153W	Dual 4-Line to 1-Line Data Selectors/Multiplexers

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