ATtiny24V/ATtiny44V/ATtiny84V [Preliminary]
1.3 Maximum Speed versus VCC
Maximum frequency is dependent on VCC. As shown in Figure 1-1, the Maximum Frequency vs.
VCC curve is linear between 1.8V < VCC < 3.6V.
Figure 1-1. Maximum Frequency versus VCC
8 MHz
4 MHz
Safe Operating Area
1.8V
1.4 Clock Characterizations
Table 1-1. Calibration Accuracy of Internal RC Oscillator
User Calibration
Frequency
7.3 MHz to 8.1 MHz
VCC
1.8V to 3.6V
2.7V
3.6V
Temperature
–40°C to +85°C
Accuracy
±25%
3
7819A–AVR–01/09