Datasheet

442
8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
30.3.9 Pin Threshold and Hysteresis
Figure 30-158.ATmega329A: I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin Read as “1”)
Figure 30-159.ATmega329A. I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin Read as “0”)
85 °C
25 °C
-40 °C
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
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
0.4
0.7
1
1.3
1.6
1.9
2.2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)