A 16-VFQFN Exposed Pad case is used for packaging. Tray is the form in which it is packaged. Under normal circumstances, 2.5GHz is the maximum value. As far as I can tell, it is mounted by Surface Mount. This electronic part is classified as Fanout Buffer (Distribution), Multiplexer. Set the temperature to 0°C~70°C for reliable performance. It should be capable of operating with a power supply of 2.375V~2.625V volts. There is an output of LVDS. Basically, it belongs to the same family as the ICS85454.
ICS85454AKILF Features
The operating temperature of 0°C~70°C degrees
ICS85454AKILF Applications
There are a lot of Renesas Electronics America Inc. ICS85454AKILF Clock Buffers & Drivers applications.