6.8 Typical Characteristics
T
A
= 25°C (unless otherwise noted)
0
20
40
60
80
100
120
−50 −25 0 25 50 75 100 125
Temperature (°C)
Supply Current ( A)m
f
SCL
= 100 kHz
All I/Os unloaded
V
CC
= 5 V
V
CC
= 3.3 V
V
CC
= 2.5 V
Figure 6-1. Supply Current vs Temperature
0
10
20
30
40
50
60
70
80
90
−50 −25 0 25 50 75 100 125
Temperature (°C)
Supply Current ( A)m
SCL = V
CC
All I/Os unloaded
V
CC
= 5 V
V
CC
= 3.3 V
V
CC
= 2.5 V
Figure 6-2. Standby Supply Current vs Temperature
0
10
20
30
40
50
60
70
80
90
100
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Current ( A)m
f
SCL
= 100 kHz
All I/Os unloaded
Supply Voltage (V)
Figure 6-3. Supply Current vs Supply Voltage
0
2
4
6
8
10
12
14
16
18
20
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
CC
= 2.5 V
T
A
= −40ºC
T
A
= 25ºC
T
A
= 85ºC
I
SINK
(mA)
Vol (V)
Figure 6-4. I/O Sink Current vs Output Low Voltage
0
5
10
15
20
25
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
CC
= 3.3 V
T
A
= 25°C
T
A
= 85°C
T
A
= −40°C
V
OL
(V)
I
SINK
(mA)
Figure 6-5. I/O Sink Current vs Output Low Voltage
0
5
10
15
20
25
30
35
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
CC
= 5 V
T
A
= −40ºC
T
A
= 25ºC
T
A
= 85ºC
V
OL
(V)
I
SINK
(mA)
Figure 6-6. I/O Sink Current vs Output Low Voltage
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PCF8574A
SCPS069G – JULY 2001 – REVISED AUGUST 2021
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