As a clock IC, it uses the Tray package. This clock generator ic can sustain a maximum temperature of 260 during reflowing. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5340A-B05270-GM Features
SI5340A-B05270-GM Applications
There are a lot of Silicon Labs SI5340A-B05270-GM Clock Generators applications.