
207
2588B–AVR–11/06
ATtiny261/461/861
24.7 Pin Threshold and Hysteresis
Figure 24-23. I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin Read as ‘1’)
Figure 24-24. I/O Pin Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin Read as ‘0’)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIH, IO PIN READ AS '1'
85 ˚C
25 ˚C
-40 ˚C
0
0,5
1
1,5
2
2,5
3
3,5
1,5 2 2,5 3 3,5 4 4,5 5 5,5
V
CC
(V)
Threshold (V)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
CC
VIL, IO PIN READ AS '0'
85 ˚C
25 ˚C
-40 ˚C
0
0,5
1
1,5
2
2,5
3
1,5 2 2,5 3 3,5 4 4,5 5 5,5
V
CC
(V)
Threshold (V)
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