In order to package it as a clock IC, the Tape & Reel (TR) package is used. When reflowed, this frequency generator can withstand a maximum temperature of 260. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5335B-B09574-GMR Features
SI5335B-B09574-GMR Applications
There are a lot of Silicon Labs SI5335B-B09574-GMR Clock Generators applications.