It is packaged using the Tape & Reel (TR) method since it is a clock IC. Frequency generator is capable of operating at a maximum temperature of 260 when reflowing. The number of uPs/uCs/Peripheral IC this time clock generator incorporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5391A-A09521-GMR Features
SI5391A-A09521-GMR Applications
There are a lot of Silicon Labs SI5391A-A09521-GMR Clock Generators applications.
Satellite receivers
Digital switching systems
Local oscillator source in receiver
Clock signals to the high-speed Digital RF circuits