A clock integrated circuit is packaged in a Tape & Reel (TR)-shaped package because it is for use as a clock. This clock generator ic can sustain 260 degrees of temperature during reflowing. It consists of a digital clock generator with hitless switching, holdover, and jitter characteristics.
SI5383A-D05886-GMR Features
SI5383A-D05886-GMR Applications
There are a lot of Silicon Labs SI5383A-D05886-GMR Clock Generators applications.