Datasheet

357
2490R–AVR–02/2013
ATmega64(L)
Pin Thresholds and
Hysteresis
Figure 192. I/O Pin Input Threshold Voltage vs. V
CC
(VIH, I/O Pin Read as '1')
Figure 193. I/O Pin Input Threshold Voltage vs. V
CC
(VIL, I/O Pin Read as '0')
85°C
25°C
-40°C
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.5 3 3.5 4 4.5 5 5.5
V
cc
(V)
Threshold (V)
VIL. IO PIN READ AS 0
85°C
25°C
-40°C
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
2.5 3 3.5 4 4.5 5 5.5
V
cc
(V)
Threshold (V)