Datasheet

ATmega48A/PA/88A/PA/168A/PA/328/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002061A-page 471
Figure 31-273. ATmega168PA: Watchdog Oscillator Frequency vs. V
CC
Figure 31-274. ATmega168PA: Calibrated 8MHz RC Oscillator Frequency vs. V
CC
105°C
85°C
25°C
-40°C
108
110
112
114
116
118
120
122
2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
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 33.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)