LC898217XC Datasheet, PDF (8/9 Pages) ON Semiconductor – Auto Focus (AF) Controller & Driver

LC898217XC
8.2 AC specification
Figure 8.2 shows interface timing definition and Table 8.1 shows electric characteristics.
Figure 8.2 2-wire serial interface timing definition
Table 8.1 Electric characteritics for 2-wire serial interface (AC characteristics)
Item
Symbol
Pin
name
Fast-mode
Min
Typ
Max
Fast-mode Plus
Min
Typ
Max
SCL clock frequency
START condition
hold time
SCL clock
Low period
SCL clock
High period
Setup time for
START condition
repetition
Data hold time
FSCL
tHD,STA
tLOW
tHIGH
tSU,STA
tHD,DAT
Data setup time
SDA, SCL
rising time
SDA, SCL
falling time
STOP condition setup time
Bus free time between STOP
and START
tSU,DAT
tr
tf
tSU,STO
tBUF
SCL
SCL
SDA
SCL
SCL
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
0.6
1.3
0.6
0.6
0 (*3)
100
0.6
1.3
400
0.26
0.5
0.26
0.26
0.9
0 (*3)
50
300
300
0.26
0.5
1000
120
120
Units
kHz
s
s
s
s
s
ns
ns
ns
s
s
*3: LC898217XC is designed for a condition with typ. 20ns of hold time. If SDA signal is unstable around falling point of SCL
signal, please implement an appropriate treatment on board, such as inserting a resistor.
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