Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 384
30.2.9 Pin threshold and hysteresis
Figure 30-74. ATmega164PA: I/O pin input threshold vs. V
CC
(V
IH
, I/O pin read as ‘1’)
Figure 30-75. ATmega164PA: I/O pin input threshold vs. V
CC
(V
IL
, I/O pin read as ‘0’)
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
3.0
V
CC
[V]
Threshold [V]
1.5 4.03.53.02.52.0 5.55.04.5
85°C
25°C
-40°C
0
0.5
1.0
1.5
2.0
2.5
V
CC
[V]
Threshold [V]
1.5 4.03.53.02.52.0 5.55.04.5