
117
2535J–AVR–08/10
ATtiny13
18.3 Speed Grades
The maximum operating frequency of the device depends on VCC. As shown in Figure 18-1 and Figure 18-2, the maximum frequency vs. VCC relationship is linear between 1.8V < VCC < 2.7V and between 2.7V < VCC < 4.5V.
Figure 18-1. Maximum Frequency vs. VCC for ATtiny13V
Figure 18-2. Maximum Frequency vs. VCC for ATtiny13
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