5.3 Characteristics
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:
- ATmega48PB/88PB/168PB - www.microchip.com/wwwproducts/en/ATmega168pb
 - ATmega48A/88A/168A - www.microchip.com/wwwproducts/en/ATmega168a
 
| Symbol | ATmega48A/88A/168A | 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 | 
