Package 128-BFQFP contains the ICs.In order to mount integrated circuit, integrated circuit is done in the way of Surface Mount.This type of 10/100 Integrated Switch can be found in many integrated circuits.The family KS8993 contains similar integrated circuit systems.In Port Switch/Network Interface, the ICs is appropriate.This ICs complete is packaged by 128-PQFP (14x20).