It is a part of the 64-LQFP package. This packaging has a Tray-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 1.62V~3.6VV power source.
PI7C9X794FCE Features
PI7C9X794FCE Applications
There are a lot of Diodes Incorporated PI7C9X794FCE Controllers Interface ICs applications.