© 2005 Ubicom, Inc. All rights reserved.
- 44 -
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SX20AC/SX28AC
Typical Performance Characteristics (25°C)
I
dd
(µA
)
600
500
400
300
200
100
_
_
_
_
_
_
2
2.5
3
3.5
4
V
dd
(V)
4.5
5
Active Supply Current vs V
dd
(32 kHz External Clock)
5.5
Port A/B/C Weak Pullup Source Current
V
oh
(V)
I
pu
p
(µA)
V
dd
= 5.5
V
V
dd
= 3.0
V
160
120
80
40
_
_
_
_
1
2
3
4
5
6
Port A/B/C Source Current
V
oh
(V)
I
oh
(mA)
40
30
20
10
_
_
_
_
1
2
3
4
5
6
V
ol
(V)
I
ol
(mA)
V
dd
=
4
.5
V
40
30
20
10
_
_
_
_
0.5
1.0
V
dd
=
3
.0
V
Port A/B/C Sink Current
V
dd
=
4.
5V
V
dd
=
4
.5
V
Po
rt B
P
ort
A
V
dd
=
3
.0
V
V
dd
=
3
.0
V
Po
rt B
P
ort
A