This page is intended to show the outline of the chip and to provide additional information that might not be clear from the data sheet.
Read the generic info about Xtiny and MEGAX.
The ATMEGA4808 comes in VQFN and TQFP. It has 48KB of flash and 32 pins.
The ATMEGA4808 also comes in SSOP. It has 48KB of flash and 28 pins.