Datasheet

377
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
30.1.9 Pin Threshold and Hysteresis
Figure 30-34. ATmega169A: I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin Read as “1”)
Figure 30-35. ATmega169A: I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin Read as “0”
85 °C
25 °C
-45 °C
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
85 °C
25 °C
-45 °C
0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)