PCA9555
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
www.ti.com
SCPS131D–AUGUST 2005–REVISED OCTOBER 2006
TYPICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
SUPPLY CURRENT
vs
TEMPERATURE
STANDBY SUPPLY CURRENT
SUPPLY CURRENT
vs
vs
TEMPERATURE
SUPPLY VOLTAGE
55
50
45
40
35
30
25
20
15
10
5
70
60
50
40
30
20
10
0
30
25
20
15
10
5
SCL = VCC
fSCL = 400 kHz
I/Os Unloaded
VCC = 5 V
fSCL = 400 kHz
I/Os Unloaded
VCC = 5 V
VCC = 3.3 V
VCC = 3.3 V
VCC = 2.5 V
VCC = 2.5 V
0
0
-50
-25
0
25
50
75
100
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-50
-25
0
25
50
75
100
TA – Free-Air Temperature – °C
VCC – Supply Voltage – V
TA – Free-Air Temperature – °C
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
30
25
20
15
10
5
50
45
40
35
30
25
20
15
10
5
40
35
30
25
20
15
10
5
VCC = 5 V
VCC = 3.3 V
VCC = 2.5 V
TA = –40°C
TA = –40°C
TA = –40°C
TA = 25°C
TA = 25°C
TA = 25°C
TA = 125°C
TA = 125°C
TA = 125°C
0
0
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
VOL – Output Low Voltage – V
V
OL – Output Low Voltage – V
VOL – Output Low Voltage – V
I/O OUTPUT LOW VOLTAGE
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
vs
TEMPERATURE
300
275
250
225
200
175
150
125
100
75
35
30
25
20
15
10
5
50
45
40
35
30
25
20
15
10
5
VCC = 2.5 V, ISINK = 10 mA
VCC = 3.3 V
VCC = 2.5 V
TA = –40°C
TA = –40°C
TA = 25°C
TA = 25°C
VCC = 5 V, ISINK = 10 mA
TA = 125°C
VCC = 2.5 V, ISINK = 1 mA
VCC = 5 V, ISINK = 1 mA
TA = 125°C
50
25
0
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
-50
-25
0
25
50
75
100
(VCC – VOH) – V
(VCC – VOH) – V
TA – Free-Air Temperature – °C
16
Submit Documentation Feedback
TI [ TEXAS INSTRUMENTS ]
