AS1115(2012) Просмотр технического описания (PDF) - austriamicrosystems AG
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AS1115 Datasheet PDF : 26 Pages
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AS1115
Datasheet - Electrical Characteristics
Table 5. Timing Characteristics (CB = 550pF (max) on each Bus Line)
Symbol
Parameter
Conditions
Min
Typ
Max
fSCL
tBUF
tHOLDSTART
SCL Frequency
Bus Free Time Between STOP and START
Conditions
Hold Time for Repeated
START Condition
1
500
260
tLOW SCL Low Period
500
tHIGH SCL High Period
260
Setup Time for Repeated
tSETUPSTART START Condition
260
tSETUPDATA Data Setup Time
50
tRISE SDA + SCL Rise Time
tFALL SDA + SCL Fall Time
tSETUPSTOP STOP Condition Setup Time
ill tSPIKESUP Pulse Width of Spike Suppressed
Key Readback
t Debounce Time
Note: The Min / Max values of the Timing Characteristics are guaranteed by design.
120
120
260
50
20
s AG nt s Figure 3. Timing Diagram
m te SDI
a con SCL
tBUF
tHOLDSTART
tR
tLOW
tSETUPDATA
tF
tHIGH
tHOLDSTART
tSPIKESUP
tSETUPSTART
tSETUPSTOP
Technical STOP START
tHOLDDATA
Repeated
START
Unit
MHz
ns
valid ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
www.austriamicrosystems.com/LED-Driver-ICs/AS1115
Revision 1.08
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