TCA9539_15 Datasheet, PDF (9/42 Pages) Texas Instruments – Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander

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Typical Characteristics (continued)
T_A = 25°C (unless otherwise noted)
60
VCC = 3.3 V
50
TA = –40°C
40
TA = 25°C
30
20
TA = 85°C
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
Figure 7. I/O Sink Current vs Output Low Voltage
70
60
VCC = 5.5 V _{TA = –40°C}
50
40
TA = 25°C
30
20
TA = 85°C
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
Figure 9. I/O Sink Current vs Output Low Voltage
20
VCC = 1.65 V _{TA = –40°C}
15
TA = 25°C
10
TA = 85°C
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V_CCP – V_OH (V)
Figure 11. I/O Source Current vs Output High Voltage
TCA9539
SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015
70
VCC = 5.0 V
60
TA = –40°C
50
40
TA = 25°C
30
20
TA = 85°C
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
Figure 8. I/O Sink Current vs Output Low Voltage
250
V_CC = 1.8 V, I_SINK = 10 mA
200
150
V_CC = 5 V, I_SINK = 10 mA
100
V_CC = 1.8 V, I_SINK = 1 mA
50
V_CC = 5 V, I_SINK = 1 mA
0
-40 -15
10
35
60 85
Temperature, T_A (°C)
Figure 10. I/O Low Voltage vs Temperature
25
VCC = 1.8 V
20
TA = –40°C
15
TA = 25°C
10
TA = 85°C
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V_CCP – V_OH (V)
Figure 12. I/O Source Current vs Output High Voltage
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