AS1115
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Table 5. Timing Characteristics (C B = 550pF (max) on each Bus Line)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
f SCL
t BUF
t HOLDSTART
t LOW
t HIGH
t SETUPSTART
t SETUPDATA
t RISE
t FALL
SCL Frequency
Bus Free Time Between STOP and START
Conditions
Hold Time for Repeated
START Condition
SCL Low Period
SCL High Period
Setup Time for Repeated
START Condition
Data Setup Time
SDA + SCL Rise Time
SDA + SCL Fall Time
500
260
500
260
260
50
1
120
120
MHz
ns
ns
ns
ns
ns
ns
ns
ns
t SETUPSTOP STOP Condition Setup Time
260
ns
t SPIKESUP
Pulse Width of Spike Suppressed
50
ns
Key Readback
Debounce Time
Note: The Min / Max values of the Timing Characteristics are guaranteed by design.
Figure 3. Timing Diagram
SDI
t BUF
t HIGH
t HOLDSTART
20
t SPIKESUP
ms
t HOLDSTART
t R
t LOW
t SETUPDATA
t F
t SETUPSTART
t SETUPSTOP
SCL
STOP START
t HOLDDATA
Repeated
START
Revision 1.08
5 - 25
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