Datasheet

I
2
C-COMPATIBLEINTERFACECOMMUNICATIONTIMINGCHARACTERISTICS
t
SU(STA)
SCL
SDA
t
w(H)
t
w(L)
t
f
t
r
t
(BUF)
t
r
t
d(STA)
REPEATED
START
t
h(DAT)
t
su(DAT)
t
f
t
su(STOP)
STOP START
bq27510-G1
SLUS927–APRIL2009..................................................................................................................................................................................................... www.ti.com
T
A
=–40°Cto85°C,2.4V<V
CC
<2.6V;typicalvaluesatT
A
=25°CandV
CC
=2.5V(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
t
r
SCL/SDArisetime300ns
t
f
SCL/SDAfalltime300ns
t
w(H)
SCLpulsewidth(high)600ns
t
w(L)
SCLpulsewidth(low)1.3µs
t
su(STA)
Setupforrepeatedstart600ns
t
d(STA)
StarttofirstfallingedgeofSCL600ns
t
su(DAT)
Datasetuptime100ns
t
h(DAT)
Dataholdtime0ns
t
su(STOP)
Setuptimeforstop600ns
t
BUF
Busfreetimebetweenstopandstart66µs
f
SCL
Clockfrequency400kHz
Figure1.I
2
C-CompatibleInterfaceTimingDiagrams
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