There is a case of 16-TSSOP (0.173, 4.40mm Width) in which it is packaged. There is a Tape & Reel (TR) package attached to it. In normal operation, the maximum value is set to 3GHz. As far as I can tell, it is mounted by Surface Mount. Electronic parts classified as Multiplexer are considered to be safety components. To ensure reliable performance, the temperature should be set to -40°C~85°C. Ideally, it should be able to operate from 2.375V~3.465V volts. Its output is LVPECL. It is a member of the ICS85301 family.
ICS85301AGLFT Features
The operating temperature of -40°C~85°C degrees
ICS85301AGLFT Applications
There are a lot of Renesas Electronics America Inc. ICS85301AGLFT Clock Buffers & Drivers applications.