497
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Figure 30-309.ATmega328: I/O Pin Input Hysteresis vs. V
CC
Figure 30-310.ATmega328: Reset Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin read as ‘1’)
I/O PIN INPUT HYSTERESIS vs. V
CC
85 °C
25 °C
-40 °C
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Input Hysteresis (V)
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)