Datasheet

222
8197C–AVR–05/11
ATtiny261A/461A/861A
20.2.10 Internal Oscillators
Figure 20-47. Frequency of Watchdog Oscillator vs. V
CC
Figure 20-48. Frequency of Watchdog Oscillator vs. Temperature
WATCHDOG OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE
85 °C
25 °C
-40 °C
110000
115000
120000
125000
130000
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Frequency (Hz)
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
5.0 V
3.0 V
1.8 V
110000
115000
120000
125000
130000
-40 -20 0 20 40 60 80 100
Temperature
Frequency (kHz)