Datasheet

198
ATtiny2313/V
2543H–AVR–02/05
Pin Thresholds and
Hysteresis
Figure 117. I/O Pin Input Threshold Voltage vs. V
CC
(V
IH
, I/O Pin Read as “1”)
Figure 118. 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
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)