TCA9554A Datasheet, PDF (18/33 Pages) Texas Instruments – LOW VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER

TCA9554A
SCPS196 – DECEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS - ADD RELEVANT INFO AT VCC = 1.65 V TO PLOTS (continued)
I/O OUTPUT HIGH VOLTAGE
vs
TEMPERATURE
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
275
250
V_CC = 2.5 V, I_OL = 10 mA
225
200
175
150
125 V_CC = 5 V, I_OL = 10 mA
100
75
50 ^{VCC = 2.5 V, IOL = 1 mA}
V_CC = 5 V, I_OL = 1 mA
25
0
-40
-15
10
35
60
85
T_A – Free-Air Temperature – °C
35
V_CC = 2.5 V
30
25
20
T_A = 25°C
T_A = –40°C
15
10
T_A = 85°C
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V_CC – V_OH) – Output High Voltage – V
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
50
V_CC = 3.3 V
45
40
T_A = –40°C
35
30
T_A = 25°C
25
20
15
T_A = 85°C
10
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V_CC – V_OH) – Output High Voltage – V
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
75
70 VCC = 5 V
65
60
55
T_A = –40°C
50
45
40
T_A = 25°C
35
30
25
T_A = 85°C
20
15
10
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V_CC – V_OH) – Output High Voltage – V
18
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