Datasheet

I
2
CINTERFACETIMINGREQUIREMENTS
RESETTIMINGREQUIREMENTS
TCA6408A
SCPS192C–APRIL2009–REVISEDJULY2009............................................................................................................................................................. www.ti.com
ELECTRICALCHARACTERISTICS(continued)
overrecommendedoperatingfree-airtemperaturerange,V
CCI
=1.65Vto5.5V(unlessotherwisenoted)
PARAMETERTESTCONDITIONSV
CCP
MINTYP
(1)
MAXUNIT
SCL,SDA,OneinputatV
CCI
–0.6V,
Additional
ΔI
CCI
1.65Vto5.5V25µA
RESET OtherinputsatV
CCI
orGND
currentin
standby
Pport,OneinputatV
CCP
–0.6V,
ΔI
CCP
1.65Vto5.5V80µA
mode
ADDROtherinputsatV
CCP
orGND
C
i
SCLV
I
=V
CCI
orGND1.65Vto5.5V67pF
SDAV
IO
=V
CCI
orGND78
C
io
1.65Vto5.5VpF
PportV
IO
=V
CCP
orGND7.58.5
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(seeFigure10)
STANDARDMODEFASTMODE
I
2
CBUSI
2
CBUS
UNIT
MINMAXMINMAX
f
scl
I
2
Cclockfrequency01000400kHz
t
sch
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2
Cclockhightime40.6µs
t
scl
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2
Cclocklowtime4.71.3µs
t
sp
I
2
Cspiketime050050ns
t
sds
I
2
Cserialdatasetuptime250100ns
t
sdh
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2
Cserialdataholdtime00ns
t
icr
I
2
Cinputrisetime100020+0.1C
b
300ns
t
icf
I
2
Cinputfalltime30020+0.1C
b
300ns
t
ocf
I
2
Coutputfalltime,10-pFto400-pFbus30020+0.1C
b
300µs
t
buf
I
2
CbusfreetimebetweenStopandStart4.71.3µs
t
sts
I
2
CStartorrepeaterStartconditionsetuptime4.70.6µs
t
sth
I
2
CStartorrepeaterStartconditionholdtime40.6µs
t
sps
I
2
CStopconditionsetuptime40.6µs
t
vd(data)
Validdatatime,SCLlowtoSDAoutputvalid11µs
ValiddatatimeofACKcondition,ACKsignalfromSCLlowto
t
vd(ack)
11µs
SDA(out)low
overrecommendedoperatingfree-airtemperaturerange(unlessotherwisenoted)(seeFigure13)
STANDARDMODEFASTMODE
I
2
CBUSI
2
CBUS
UNIT
MINMAXMINMAX
t
W
Resetpulseduration44ns
t
REC
Resetrecoverytime00ns
t
RESET
Timetoreset600600ns
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