Atmel ATtiny25

168
7598H–AVR–07/09
ATtiny25/45/85
23.6 Pin Thresholds and Hysteresis
Figure 23-25. I/O Pin Input Threshold Voltage vs. V
CC
(VIH, I/O Pin Read As '1')
Figure 23-26. I/O Pin Input Threshold Voltage vs. V
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(VIL, I/O Pin Read As '0')
I/O P IN INP UT THRE S HO LD VOLTAG E vs . V
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VIH, IO PIN READ AS '1'
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)
Thres hold
125 ˚C
85 ˚C
25 ˚C
-40 ˚C
I/O P IN INP UT THRE S HO LD VOLTAG E vs . V
CC
VIL, IO PIN READ AS '0'
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)
Thres hold
125 ˚C
85 ˚C
25 ˚C
-40 ˚C