It is packaged using the Tape & Reel (TR) method since it is a clock IC. This clock generator ic can sustain 260 degrees of temperature during reflowing. There are CLOCK GENERATOR, PROCESSOR SPECIFIC uPs/uCs/Peripheral ICs integrated into this digital clock generator.
SI5335C-B10054-GMR Features
SI5335C-B10054-GMR Applications
There are a lot of Silicon Labs SI5335C-B10054-GMR Clock Generators applications.