Datasheet

334
8021G–AVR–03/11
ATmega329P/3290P
Figure 28-2. Maximum Frequency vs. V
CC
(4 - 10MHz)
Figure 28-3. Maximum Frequency vs. V
CC
(10 - 20MHz)
10 MHz
4 MHz
1.8V 2.7V 5.5V
Safe Operating Area
20 MHz
10 MHz
2.7V 4.5V 5.5V
Safe Operating Area