The requested file:
https://pdf.datasheetcatalog.com/datasheet2/4/09dchixai9tzcjui958o80xhz4yy.pdf
is the data sheet for the following electronic components:

Texas Instruments

#	Part Name	Description
1	SN54HC148	8-Line To 3-Line Priority Encoders
2	SN54HC148J	8-Line To 3-Line Priority Encoders
3	SN74HC148	8-Line To 3-Line Priority Encoders
4	SN74HC148D	8-Line To 3-Line Priority Encoders
5	SN74HC148DR	8-Line To 3-Line Priority Encoders
6	SN74HC148DT	8-Line To 3-Line Priority Encoders
7	SN74HC148DW	8-Line To 3-Line Priority Encoders
8	SN74HC148DWR	8-Line To 3-Line Priority Encoders
9	SN74HC148N	8-Line To 3-Line Priority Encoders
10	SN74HC148NSR	8-Line To 3-Line Priority Encoders
11	SNJ54HC148FK	8-Line To 3-Line Priority Encoders
12	SNJ54HC148J	8-Line To 3-Line Priority Encoders
13	SNJ54HC148W	8-Line To 3-Line Priority Encoders

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