A clock integrated circuit is packaged in a Tray-shaped package because it is for use as a clock. This clock generator ic can sustain 260 degrees of temperature during reflowing. The uPs/uCs/Peripheral IC clock generator incoporates is CLOCK GENERATOR, PROCESSOR SPECIFIC.
SI5342H-D08380-GM Features
SI5342H-D08380-GM Applications
There are a lot of Silicon Labs SI5342H-D08380-GM Clock Generators applications.