AS1115 View Datasheet(PDF) - austriamicrosystems AG
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AS1115 Datasheet PDF : 24 Pages
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AS1115
Datasheet - Electrical Characteristics
Table 5. Timing Characteristics
Symbol
Parameter
fSCL SCL Frequency
Bus Free Time Between STOP and
tBUF
START Conditions
Hold Time for Repeated
tHOLDSTART START Condition
tLOW SCL Low Period
tHIGH SCL High Period
tSETUPSTART
Setup Time for Repeated
START Condition
tSETUPDATA Data Setup Time
tHOLDDATA Data Hold Time
tRISE(SCL) SCL Rise Time
SCL Rise Time after Repeated START
tRISE(SCL1) Condition and After an ACK Bit
tFALL(SCL) SCL Fall Time
tRISE(SDA) SDA Rise Time
tFALL(SDA) SDA Fall Time
tSETUPSTOP STOP Condition Setup Time
tSPIKESUP Pulse Width of Spike Suppressed
Key Readback
Debounce Time
Conditions
Min Typ Max Unit
0.1
3.4 MHz
1.3
µs
160
ns
50
75
ns
50
75
ns
100
ns
10
ns
70
ns
10
40
ns
10
80
ns
10
40
ns
20
80
ns
20
80
ns
160
ns
50
ns
20
ms
Note: The Min / Max values of the Timing Characteristics are guaranteed by design.
Figure 3. Timing Diagram
SDI
SCL
tBUF
tHOLDSTART
tR
tLOW
tSETUPDATA
tF
tHIGH
tHOLDSTART
tSPIKESUP
tSETUPSTART
tSETUPSTOP
START STOP
tHOLDDATA
Repeated
START
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