It is package in 32-VFQFN Exposed Pad case. The package is in the form of a Tube. Normal operation has a maximum value of 700MHz. As you can see, it is mounted by Surface Mount. This electronic component falls under the classification of Fanout Buffer (Distribution), Divider, Multiplexer. If you wish to ensure reliable performance, you should set the temperature to -40°C~85°C. 2.375V~3.6V V power should work with it. There is an output of LVPECL.
NB4L339MNG Features
The operating temperature of -40°C~85°C degrees
NB4L339MNG Applications
There are a lot of Rochester Electronics, LLC NB4L339MNG Clock Buffers & Drivers applications.