This chapter will compare the biggest changes in electrical- and typical characteristics. For the most up-to-date- and other numbers refer to the latest data sheet of the device.

The latest data sheets can be found here:
Table 1. Typical Wait Delay Before Writing the Next Flash or EEPROM Location
Symbol ATmega48P/88P/168P ATmega48PB/88PB/168PB Units
tWD_FLASH 4.5 2.6 ms
tWD_EEPROM 3.6 3.6 ms
tWD_ERASE 9.0 10.5 ms
tWD_FUSE - 4.5 ms