Datasheet

34.8. Pin Thresholds and Hysteresis
Figure 34-30 I/O Pin Input Threshold Voltage vs. V
CC
(VIH, I/O Pin Read as '1')
I/O PIN INPUT THRESHOLD VOLTAGE vs . V
CC
VIH, IO P IN READ AS '1'
85 °C
25 °C
-40 °C
1
1.4
1.8
2.2
2.6
3
2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Thres hold (V)
Figure 34-31 I/O Pin Input Threshold Voltage vs. V
CC
(VIL, I/O Pin Read as '0')
I/O PIN INPUT THRESHOLD VOLTAGE vs . V
CC
VIL, IO P IN READ AS '0'
85 °C
25 °C
-40 °C
1
1.3
1.6
1.9
2.2
2.5
2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Thres hold (V)
Atmel ATmega64A [DATASHEET]
Atmel-8160E-ATmega64A_Datasheet_Complete-09/2015
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