It is packaged using the Tape & Reel (TR) method since it is a clock IC. The frequency generator is capable of withstanding a maximum temperature of 260 during reflowing. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5340A-B05348-GMR Features
SI5340A-B05348-GMR Applications
There are a lot of Silicon Labs SI5340A-B05348-GMR Clock Generators applications.