Datasheet

Data Sheet AD9547
Rev. E | Page 57 of 104
I²C Serial Port Timing
SSrS
P
S
D
A
SCL
t
SP
t
HD;STA
t
SU;STA
t
SU;DAT
t
HD;DAT
t
HD;STA
t
HIGH
t
LOW
t
SU;STO
t
BUF
t
R
t
F
t
R
t
F
08300-040
Figure 64. I²C Serial Port Timing
Table 36. I2C Timing Definitions
Parameter Description
f
SCL
Serial clock
t
BUF
Bus free time between stop and start conditions
t
HD;STA
Repeated hold time start condition
t
SU;STA
Repeated start condition setup time
t
SU;STO
Stop condition setup time
t
HD;DAT
Data hold time
t
SU;DAT
Data setup time
t
LOW
SCK clock low period
t
HIGH
SCK clock high period
t
R
Minimum/maximum receive SCL and SDA rise time
t
F
Minimum/maximum receive SCL and SDA fall time
t
SP
Pulse width of voltage spikes that must be suppressed by the input filter