Datasheet

Figure 34-132. ATmega168PA: Watchdog Oscillator Frequency vs. V
CC
105°C
85°C
25°C
-40°C
108
110
112
114
116
11
8
120
122
2 2.5
3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
Figure 34-133. ATmega168PA: Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
105°C
85°C
25°C
-40°C
7.5
7.6
7.7
7.
8
7.9
8
8
.1
8.2
8.3
8
.4
8.5
2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
Figure 34-134. ATmega168PA: Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
5.5V
4.5V
4.0V
3.3V
1.
8V
7.5
7.6
7.7
7.8
7.9
8
8
.1
8.2
8.3
8
.4
-40 -
30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110
Temper
ature (°C)
F
RC
(MHz)
ATmega48PA/88PA/168PA
Typical Characteristics (TA = -40°C to 105°C)
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Datasheet Complete
DS40002011A-page 466