For space savings, it is available in the QFN package.Application Specific Microcontroller comes in the package?of a Cut Tape (CT).Application Specific Microcontroller has a part number of AT73C507 that can be used to locate similar components.
AT73C507-MUR Features
QFN package
AT73C507-MUR Applications
There are a lot of Microchip Technology AT73C507-MUR Microcontroller applications.