It is a part of the 128-LQFP package. This packaging has a Tape & Reel (TR)-shape, making it convenient to carry around. A reliable operation requires a temperature that is regulated to -40°C~85°C. It should work as long as you use a 3.1V~3.5VV power source. Among other things, it contains 128 terminations. 1.2V is the supply voltage that enables high efficiency. This number is part of the KSZ8842 family. 122mA is set as the gadget's supply current.
KSZ8842-16MVLI-TR Features
KSZ8842-16MVLI-TR Applications
There are a lot of Microchip Technology KSZ8842-16MVLI-TR Controllers Interface ICs applications.