ATmega8(L)
Figure 0-22. Reset Pin as I/O – Pin Sink Current vs. Output Voltage (VCC = 2.7V)
RESET PIN AS I/O - SINK CURRENT vs. OUTPUT VOLTAGE
Vcc = 2.7V
4.5
4
-40°C
3.5
3
25°C
85°C
2.5
2
105°C
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
VOL (V)
Pin Thresholds and Hysteresis
Figure 0-23. I/O Pin Input Threshold Voltage vs. VCC (VIH, I/O Pin Read as “1”)
I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC
VIH, IO PIN READ AS '1'
2.5
-40°C
85°C
105°C
25°C
2
1.5
1
0.5
0
2.5
3
3.5
4
4.5
5
5.5
V
CC (V)
293
2486AA–AVR–02/2013