TCA6408A Datasheet, PDF (16/35 Pages) Texas Instruments – LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

TCA6408A
SCPS192C – APRIL 2009– REVISED JULY 2009............................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS
T_A = 25°C (unless otherwise noted)
SUPPLY CURRENT
vs
TEMPERATURE
22
20
V_CC = 5.5 V
18
V_CC = 5 V
16
14
12
10
V_CC = 3.3 V
8
6
V_CC = 2.5 V
4
V_CC = 1.8 V
2
V_CC = 1.65 V
0
-40
-15 10
35 60
85
Temperature, T_A (°C)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
30
VCC = 1.65 V
25
TA = –40°C
20
TA = 25°C
15
10
TA = 85°C
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
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)
STANDBY SUPPLY CURRENT
vs
TEMPERATURE
2000
1800
V_CC = 5.5 V
1600
1400
V_CC = 5 V
1200
1000
800
V_CC = 3.3 V
V_CC = 2.5 V
600
V_CC = 1.8 V
400
200
V_CC = 1.65 V
0
–40 –15 10
35
60 85
Temperature, T_A (°C)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
35
VCC = 1.8 V
30
TA = –40°C
25
20
TA = 25°C
15
10
TA = 85°C
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
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)
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
22
20
18
16
14
12
10
8
6
4
2
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage, V_CC (V)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
50
VCC = 2.5 V
40
TA = –40°C
30
TA = 25°C
20
10
TA = 85°C
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Output Low Voltage, V_OL (V)
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)
16
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