It is a part of the 80-TQFP Exposed Pad 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 0°C~70°C. It should work as long as you use a 1.8V~3.3VV power source. Among other things, it contains 80 terminations. This number is part of the LAN9352 family.
LAN9352T/PT Features
LAN9352T/PT Applications
There are a lot of Microchip Technology LAN9352T/PT Controllers Interface ICs applications.