Package 68-BCPGA contains the ICs.Contains this module is the package Tray.The way of mounting integrated circuit is Through Hole.In various integrated circuits, it is referred to as a Floating-Point Co-Processor.In order to find similar integrated circuit systems, you should search for the family MC68882.
MC68882RC50A Features
MC68882RC50A Applications
There are a lot of NXP USA Inc. MC68882RC50A Specialized ICs applications.