A clock integrated circuit is packaged in a Tape & Reel (TR)-shaped package because it is for use as a clock. RF synthesizer incorporates CLOCK GENERATOR, PROCESSOR SPECIFIC UPUs, PCs, and peripheral IC's.
SI5351A-B10243-GTR Features
SI5351A-B10243-GTR Applications
There are a lot of Silicon Labs SI5351A-B10243-GTR Clock Generators applications.