Datasheet

269
8197C–AVR–05/11
ATtiny261A/461A/861A
Figure 20-139. V
IL
: Input Threshold Voltage vs. V
CC
(I/O Pin, Read as ‘0’)
Figure 20-140. V
IH
-V
IL
: Input Hysteresis vs. V
CC
(I/O Pin)
I/O PIN INPUT THRESHOLD vs. SUPPLY VOLTAGE
V
IL
, I/O 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 33.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
I/O PIN INPUT HYSTERESIS vs. SUPPLY VOLTAGE
85 °C
25 °C
-40 °C
0
0.1
0.2
0.3
0.4
0.5
0.6
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Input Hysteresis (V)