There is a case available for the cut smart buffer in 32-LQFP. There is a Tray package attached to it. In normal operation, the maximum value is set to 500MHz. In this case, it is set up as Surface Mount. There is a classification of Fanout Buffer (Distribution), Multiplexer for this electronic part. Temperature 0°C~70°C is recommended for reliable performance. It should be able to work with a power source of 3.135V~3.465VV. There is HSTL output from clock driver. There is a family of objects known as the ICS8521.
8521BYLF Features
The operating temperature of 0°C~70°C degrees
8521BYLF Applications
There are a lot of Renesas Electronics America Inc. 8521BYLF Clock Buffers & Drivers applications.