Datasheet

ATmega164A/PA/324A/PA/644A/PA/1284/P
 2018 Microchip Technology Inc. Data Sheet Complete DS40002070A-page 603
31.3.6 Pin Threshold and Hysteresis
Figure 31-99. I/O Pin Input Threshold vs. V
CC
(V
IH
, I/O Pin Read as ‘1’)
Figure 31-100. I/O Pin Input Threshold vs. V
CC
(V
IL
, I/O Pin Read as ‘0’)
105 °C
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)
105 °C
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)