There is a package called 20-SOIC (0.295, 7.50mm Width) that contains it, and you can find it there. It is very easy to carry because of the Tube-shaped packaging. Regulating the temperature to -40°C~85°C is crucial to ensuring reliable operation. With a 2.3V~3.6VV power source, you should be able to use it. There is currently a supply of 6mA in the market.
PCA9564D,112 Features
PCA9564D,112 Applications
There are a lot of Rochester Electronics, LLC PCA9564D,112 Controllers Interface ICs applications.