Datasheet

147
8126F–AVR–05/12
ATtiny13A
19.10 Input Thresholds and Hysteresis (for I/O Ports)
Figure 19-45. V
IH
: Input Threshold Voltage vs. V
CC
(I/O Pin, Read as '1')
Figure 19-46. V
IL
: Input Threshold Voltage vs. V
CC
(I/O Pin, Read as '0')
I/O PIN INPUT THRESHOLD VOLTAGE vs. VCC
V
IH
, I/O 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. VCC
V
IL
, I/O PIN READ AS '0'
85 °C
25 °C
-40 °C
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)
Threshold (V)