Datasheet

Table 6. I2C interface - timing characteristics for Fast mode (400 kHz)
Symbol Parameter Minimum Typical Maximum Unit
F
I2C
Operating frequency 0 - 400 kHz
t
LOW
Clock pulse width low 1.3 - -
μs
t
HIGH
Clock pulse width high 0.6 - -
t
SP
Pulse width of spikes which are
suppressed by the input filter
- - 50 ns
t
BUF
Bus free time between
transmissions
1.3 - -
μs
t
HD.STA
Start hold time 0.26 - -
t
SU.STA
Start setup time 0.26 - -
t
HD.DAT
Data in hold time 0 - 0.9
t
SU.DAT
Data in setup time 50 - -
ns
t
R
SCL/SDA rise time - - - - 300
t
F
SCL/SDA fall time - - 300
t
SU.STO
Stop set-up time 0.6 - - μs
Ci/o Input/output capacitance (SDA) - - 10
pF
Cin Input capacitance (SCL) - - 4
C
L
Load capacitance - 125 400
Figure 15. I2C timing characteristics
IL
or V
IH
.
SDA
SCL
t
HD.STA
t
R
t
HIGH
t
F
t
SU.DAT
t
HD.DAT
t
SU.STA
t
SU.STO
...
...
t
HD.STA
t
LOW
t
BUF
stopstartstop start
V
IH
V
IL
V
IH
V
IL
All timings are measured from either V
IL
or V
IH
.
VL53L4CD
I2C interface - timing characteristics
DS13812 - Rev 3
page 14/36