As a clock IC, it uses the Tray package. 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.
SI5344H-D07849-GM Features
SI5344H-D07849-GM Applications
There are a lot of Silicon Labs SI5344H-D07849-GM Clock Generators applications.