Atmel ATmega328

396
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
30.3.9 Pin Threshold and Hysteresis
Figure 30-119.ATmega88A: I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin read as ‘1’)
Figure 30-120.ATmega88A: I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin read as ‘0’
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
3
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (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)