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
f
SCL
t
BUF
t
HOLDSTART
t
LOW
t
HIGH
t
SETUPSTART
t
SETUPDATA
t
RISE
t
FALL
Parameter
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
260
Conditions
Min
Typ
Max
1
500
260
500
260
260
50
Unit
MHz
ns
ns
t
SETUPSTOP
STOP Condition Setup Time
t
SPIKESUP
Pulse Width of Spike Suppressed
Key Readback
Debounce Time
hn
ic a
al m
co s
A
nt G
en
ts
til
20
t
BUF
t
HOLDSTART
t
HIGH
t
SPIKESUP
t
HOLDSTART
t
R
t
LOW
t
SETUPDATA
t
F
t
SETUPSTOP
t
SETUPSTART
STOP START
t
HOLDDATA
Repeated
START
Note:
The Min / Max values of the Timing Characteristics are guaranteed by design.
Figure 3. Timing Diagram
SDI
SCL
Te
c
Revision 1.08
lv
120
120
ns
ns
ns
50
ns
ms
5 - 25
al
ns
id
ns
ns
ns
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