Datasheet

ELECTRICALCHARACTERISTICS
PCA9554
SCPS128B–JULY2006–REVISEDAUGUST2008........................................................................................................................................................ www.ti.com
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSV
CC
MINTYP
(1)
MAXUNIT
V
IK
InputdiodeclampvoltageI
I
=–18mA2.3Vto5.5V–1.2V
V
POR
Power-onresetvoltageV
I
=V
CC
orGND,I
O
=0V
POR
1.51.65V
2.3V1.8
3V2.6
I
OH
=–8mA
4.5V3.1
4.75V4.1
P-porthigh-leveloutput
V
OH
V
voltage
(2)
2.3V1.7
3V2.5
I
OH
=–10mA
4.5V3
4.75V4
SDAV
OL
=0.4V2.3Vto5.5V38
2.3V810
3V814
V
OL
=0.5V
4.5V817
4.75V835
I
OL
Pport
(3)
mA
2.3V1013
3V1019
V
OL
=0.7V
4.5V1024
4.75V1045
INT V
OL
=0.4V2.3Vto5.5V310
SCL,SDA±1
I
I
V
I
=V
CC
orGND2.3Vto5.5VµA
A2–A0±1
I
IH
PportV
I
=V
CC
2.3Vto5.5V1µA
I
IL
PportV
I
=GND2.3Vto5.5V–100µA
5.5V104175
V
I
=V
CC
,I
O
=0,I/O=inputs,
3.6V5090
f
scl
=400kHz,Noload
2.7V2065
Operatingmode
5.5V60150
V
I
=V
CC
,I
O
=0,I/O=inputs,
3.6V1540
f
scl
=100kHz,Noload
2.7V820
I
CC
µA
5.5V450700
V
I
=GND,I
O
=0,I/O=inputs,
3.6V300600
f
scl
=0kHz,Noload
2.7V225500
Standbymode
5.5V0.251
V
I
=V
CC
,I
O
=0,I/O=inputs,
3.6V0.20.9
f
scl
=0kHz,Noload
2.7V0.10.8
OneinputatV
CC
–0.6V,
2.3Vto5.5V1.5
OtherinputsatV
CC
orGND
Additionalcurrentin
ΔI
CC
mA
standbymode
EveryLEDI/OatV
I
=4.3V,
5.5V1
f
scl
=0kHz
C
i
SCLV
I
=V
CC
orGND2.3Vto5.5V45pF
SDA5.56.5
C
io
V
IO
=V
CC
orGND2.3Vto5.5VpF
Pport89.5
(1)Alltypicalvaluesareatnominalsupplyvoltage(2.5-V,3.3-V,or5-VV
CC
)andT
A
=25°C.
(2)ThetotalcurrentsourcedbyallI/Osmustbelimitedto85mA.
(3)EachI/Omustbeexternallylimitedtoamaximumof25mA,andthePport(P0toP7)mustbelimitedtoamaximumcurrentof200mA.
12SubmitDocumentationFeedbackCopyright©2006–2008,TexasInstrumentsIncorporated
ProductFolderLink(s):PCA9554
Not Recommended for New Designs