In order to package it as a clock IC, the Tape & Reel (TR) package is used. This clock generator will sustain a maximum temperature of 260 when reflown. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5347B-B05059-GMR Features
SI5347B-B05059-GMR Applications
There are a lot of Silicon Labs SI5347B-B05059-GMR Clock Generators applications.