www.德州仪器.com
DAC5571
SLAS405–DECEMBER2003
timingcharacteristics(持续)
SYMBOLPARAMETERTESTCONDITIONSMINTYPMAXUNITS
Standardmode20
×
0.1c
B
1000ns
RiseTimeofSCLSignalAftera
Fastmode20
×
0.1c
B
300ns
t
RCL1
RepeatedSTARTConditionand
高-speedmode,c
B
-100pfmax1080ns
AfteranAcknowledgeBIT
高-speedmode,c
B
-400pfmax20160ns
Standardmode20
×
0.1c
B
300ns
Fastmode20
×
0.1c
B
300ns
t
FCL
FallTimeofSCLSignal
高-speedmode,c
B
-100pfmax1040ns
高-speedmode,c
B
-400pfmax2080ns
Standardmode20
×
0.1c
B
1000ns
Fastmode20
×
0.1c
B
300ns
t
RDA
RiseTimeofSDASignal
高-speedmode,c
B
-100pfmax1080ns
高-speedmode,c
B
-400pfmax20160ns
Standardmode20
×
0.1c
B
300ns
Fastmode20
×
0.1c
B
300ns
t
FDA
FallTimeofSDASignal
高-speedmode,c
B
-100pfmax1080ns
高-speedmode,c
B
-400pfmax20160ns
standardmode4.0µs
t
SU
;t
STO
SetupTimeforSTOPConditionFastmode600ns
高-speedmode160ns
C
B
CapacitiveLoadforSDAandSCL400pF
Fastmode50ns
t
SP
PulseWidthofSpikeSuppressed
高-speedmode10ns
Standardmode
NoiseMarginattheHIGHLevel
V
NH
foreachconnecteddevicefastmode0.2v
DD
V
(includinghysteresis)
高-speedmode
Standardmode
NoiseMarginattheLOWLevelfor
V
NL
eachconnecteddevicefastmode0.1v
DD
V
(includinghysteresis)
高-speedmode
5
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