In order to package it as a clock IC, the Tape & Reel (TR) package is used. RF synthesizer incorporates CLOCK GENERATOR, PROCESSOR SPECIFIC UPUs, PCs, and peripheral IC's.
SI5351A-B08626-GTR Features
SI5351A-B08626-GTR Applications
There are a lot of Silicon Labs SI5351A-B08626-GTR Clock Generators applications.