As far as the case type is concerned, the cut smart buffer is available in 32-LQFP. Tape & Reel (TR) is the form in which it is packaged. In normal operation, the maximum value is set to 500MHz. As you can see, it is mounted by Surface Mount. This electronic part is classified as Fanout Buffer (Distribution), Multiplexer. To ensure reliable performance, the temperature should be set to -40°C~85°C. In general, it should be able to work with a power source of 3.135V~3.465V volts. Its output is LVHSTL. There is a family of objects known as the ICS8521-03.
8521AYI-03LNT Features
The operating temperature of -40°C~85°C degrees
8521AYI-03LNT Applications
There are a lot of Renesas Electronics America Inc. 8521AYI-03LNT Clock Buffers & Drivers applications.