The requested file:
https://pdf.datasheetcatalog.com/datasheet2/2/04kdpi7heg54cy3y5oiwqku1u1fy.pdf
is the data sheet for the following electronic components:

ON Semiconductor

#	Part Name	Description
1	NBSG16	2.5 V/3.3 V SiGe Differential Receiver/Driver with RSECL Outputs
2	NBSG16BA	2.5 V/3.3 V SiGe Differential Receiver/Driver with RSECL Outputs
3	NBSG16BAR2	2.5 V/3.3 V SiGe Differential Receiver/Driver with RSECL Outputs
4	NCP1571	Low Voltage Synchronous Buck Controller
5	NCP1571D	Low Voltage Synchronous Buck Controller
6	NCP1571DR2	Low Voltage Synchronous Buck Controller

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