TCA9538 Datasheet, PDF (9/37 Pages) Texas Instruments – Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander

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Typical Characteristics (continued)
T_A = 25°C (unless otherwise noted)
70
1.8 V
60
2.5 V
3.3 V
5V
50
40
30
20
10
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V_CC - V_OH) - Output High Voltage (V)
T_A = 25°C
0.8
D007
Figure 7. Source Current (I_OH) vs. Output High Voltage (V_OH)
for P-Ports at Four Supply Voltages
TCA9538
SCPS199C – AUGUST 2014 – REVISED OCTOBER 2015
6
5
4
3
2
1
I_OH = -8 mA
I_OH = -10 mA
0
0
1
2
3
4
5
6
V_CC - Supply Voltage (V)
D008
T_A = 25°C
Figure 8. Output High Voltage (V_OH) vs. Supply Voltage
(V_CC) for P-Ports
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