It is packaged using the Tray method since it is a clock IC. In the reflowing process, this clock generator ic is able to maintain a maximum temperature of 260. RF synthesizer incorporates CLOCK GENERATOR, PROCESSOR SPECIFIC UPUs, PCs, and peripheral IC's.
SI5391A-A10025-GM Features
SI5391A-A10025-GM Applications
There are a lot of Silicon Labs SI5391A-A10025-GM Clock Generators applications.