Datasheet

200
8006H–AVR–10/09
ATtiny24/44/84
21.8 Pin Threshold and Hysteresis
Figure 21-28. I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, IO Pin Read as ‘1’)
Figure 21-29. I/O Pin Input threshold Voltage vs. V
CC
(V
IL
, IO 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 33.5 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
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)