ATMEGA8_08 Datasheet, PDF (280/308 Pages) ATMEL Corporation – 8-bit with 8K Bytes In-System Programmable Flash

Figure 179. Calibrated 1 MHz RC Oscillator Frequency vs. Temperature
CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
1.04
5.5V
1.02
4.0V
1
0.98
2.7V
0.96
0.94
0.92
0.9
-60
-40
-20
0
20
40
60
80
100
Temperature (˚C)
Figure 180. Calibrated 1 MHz RC Oscillator Frequency vs. V_CC
CALIBRATED 1MHz RC OSCILLATOR FREQUENCY vs. V_CC
1.1
1.05
-40°C
25°C
1
85°C
0.95
0.9
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
280 ATmega8(L)
2486T–AVR–05/08