Datasheet

TYPICALCHARACTERISTICS
0
5
10
15
20
25
30
35
40
45
50
55
-50 -25 0 25 50 75 100
T
A
– Free-Air Temperature – °C
I
CC
– Supply Current – µA
V
CC
= 2.5 V
V
CC
= 3.3 V
V
CC
= 5 V
f
SCL
= 400 kHz
I/Os Unloaded
0
10
20
30
40
50
60
70
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
V
CC
– Supply Voltage – V
I
CC
– Supply Current – µA
f
SCL
= 400 kHz
I/Os Unloaded
0
5
10
15
20
25
30
-50 -25 0 25 50 75 100
T
A
– Free-Air Te m pe rature – °C
I
CC
– Supply Current – nA
V
CC
= 2.5 V
V
CC
= 3.3 V
V
CC
= 5 V
SCL = V
CC
0
5
10
15
20
25
30
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
OL
– Output Low Voltage – V
I
SINK
– I/O Sink Current – mA
T
A
= –40°C
V
CC
= 2.5 V
T
A
= 25°C
T
A
= 125°C
0
5
10
15
20
25
30
35
40
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
OL
– Output Low Voltage – V
I
SINK
– I/O Sink Current – mA
T
A
= –40°C
V
CC
= 3.3 V
T
A
= 25°C
T
A
= 125°C
0
5
10
15
20
25
30
35
40
45
50
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V
OL
– Output Low Voltage – V
I
SINK
– I/O Sink Current – mA
T
A
= –40°C
V
CC
= 5 V
T
A
= 25°C
T
A
= 125°C
0
5
10
15
20
25
30
35
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V
CC
– V
OH
) – V
I
SOURCE
– I/O Source Current – mA
T
A
= –40°C
V
CC
= 2.5 V
T
A
= 25°C
T
A
= 125°C
0
5
10
15
20
25
30
35
40
45
50
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
(V
CC
– V
OH
) – V
I
SOURCE
– I/O Source Current – mA
T
A
= –40°C
V
CC
= 3.3 V
T
A
= 25°C
T
A
= 125°C
0
25
50
75
100
125
150
175
200
225
250
275
300
-50 -25 0 25 50 75 100
T
A
– Free-Air Tem perature – °C
V
OL
– Output Low Voltage – mV
V
CC
= 5 V, I
SINK
= 10 mA
V
CC
= 2.5 V, I
SINK
= 10 mA
V
CC
= 2.5 V, I
SINK
= 1 m A
V
CC
= 5 V, I
SINK
= 1 m A
PCA9555
SCPS131E–AUGUST2005–REVISEDMAY2008......................................................................................................................................................... www.ti.com
T
A
=25°C(unlessotherwisenoted)
SUPPLYCURRENTSTANDBYSUPPLYCURRENTSUPPLYCURRENT
vsvsvs
TEMPERATURETEMPERATURESUPPLYVOLTAGE
I/OSINKCURRENTI/OSINKCURRENTI/OSINKCURRENT
vsvsvs
OUTPUTLOWVOLTAGEOUTPUTLOWVOLTAGEOUTPUTLOWVOLTAGE
I/OOUTPUTLOWVOLTAGEI/OSOURCECURRENTI/OSOURCECURRENT
vsvsvs
TEMPERATUREOUTPUTHIGHVOLTAGEOUTPUTHIGHVOLTAGE
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ProductFolderLink(s):PCA9555
Not Recommended for New Designs