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AT90S/LS2323/2343
54
Note:
Sink and source capabilities of I/O ports are measured on one pin at a time.
Figure 48. Pull-up Resistor Current vs. Input Voltage
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
120
100
80
60
40
20
0
0
0.5
1
Figure 49. Pull-up Resistor Current vs. Input Voltage
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
30
T = 25
A
25
T = 85
A
20
15
10
5
0
0
0.5
V = 5V
cc
T = 25
C
˚
A
T = 85
C
˚
A
1.5
2
2.5
3
V
(V)
OP
V = 2.7V
cc
C
˚
C
˚
1
1.5
V
(V)
OP
3.5
4
4.5
5
2
2.5
3
1004D–09/01
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