As a result, it is available in the QFN package.Application Specific Microcontroller comes in the package?of a Cut Tape (CT).Based on the AT73C509 base part number, it can be compared with other components.
AT73C509-MUR Features
QFN package
AT73C509-MUR Applications
There are a lot of Microchip Technology AT73C509-MUR Microcontroller applications.