A Tape & Reel (TR) is used to package it. In normal operation, 4GHz is the maximum value. It's in the way of Surface Mount. A minimum temperature of -40°C is required for reliability. 85°C is the maximum operating temperature required for stable operation.
SY58032UMITR Features
SY58032UMITR Applications
There are a lot of Micrel SY58032UMITR Clock Buffers & Drivers applications.