It is package in 32-LQFP case. Tray is the form in which it is packaged. Under normal circumstances, 250MHz is the maximum value. If this is the case, it will be mounted as Surface Mount. This electronic part is classified as Fanout Buffer (Distribution), Multiplexer. The temperature should be set to -40°C~85°C to ensure reliable performance. 2.375V~3.6V V power should work with it. The output is set to LVCMOS, LVTTL. This is a member of the ICS83947-147 family.
83947AYI-147LF Features
The operating temperature of -40°C~85°C degrees
83947AYI-147LF Applications
There are a lot of Renesas Electronics America Inc. 83947AYI-147LF Clock Buffers & Drivers applications.