As a clock IC, PLLs is packaged using the Tape & Reel (TR) method. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5351A-B05830-GTR Features
SI5351A-B05830-GTR Applications
There are a lot of Silicon Labs SI5351A-B05830-GTR Clock Generators applications.