In the package 256-BBGA, the ICs is enclosed.There is a package named Tape & Reel (TR) which includes this module.Surface Mount is used for mounting integrated circuit.There are numerous integrated circuits that make use of this type of Multi-Queue Flow-Control.Search the IDT72V51253 family for similar integrated circuit systems.
72V51253L6BB8 Features
72V51253L6BB8 Applications
There are a lot of Renesas Electronics America Inc. 72V51253L6BB8 Specialized ICs applications.