The requested file:
https://pdf.datasheetcatalog.com/datasheet2/3/0797cco5sqt6caxrf68xyxflwpcy.pdf
is the data sheet for the following electronic components:

ON Semiconductor

#	Part Name	Description
1	MC14049B	Hex Buffer
2	MC14049BCP	Hex Buffer
3	MC14049BD	Hex Buffer
4	MC14049BDR2	Hex Buffer
5	MC14049BFEL	Hex Buffer
6	MC14050B	Hex Non-Inverter Buffer
7	MC14050BCP	Hex Non-Inverter Buffer
8	MC14050BD	Hex Non-Inverter Buffer
9	MC14050BDR2	Hex Non-Inverter Buffer
10	MC14050BDT	Hex Non-Inverter Buffer
11	MC14050BDTR2	Hex Non-Inverter Buffer
12	MC14050BFEL	Hex Non-Inverter Buffer

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