It is a part of the 64-VFQFN 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 64 terminations. 3.3V is the supply voltage that enables high efficiency. This number is part of the LAN9252 family.
LAN9252T/ML Features
LAN9252T/ML Applications
There are a lot of Microchip Technology LAN9252T/ML Controllers Interface ICs applications.