Manual

10 DS470F4
CS8415A
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C MODE
(Note 15), Inputs: Logic 0 = 0 V, Logic 1 = VL+; C
L
= 20 pF.
15. I²C protocol is supported only in VL+ = 5.0 V mode.
16. Data must be held for sufficient time to bridge the 25 ns transition time of SCL.
Parameter Symbol Min Typ Max Units
SCL Clock Frequency
fscl - - 100 kHz
Bus Free Time Between Transmissions
t
buf
4.7 - - µs
Start Condition Hold Time (prior to first clock pulse)
t
hdst
4.0 - - µs
Clock Low Time
t
low
4.7 - - µs
Clock High Time
t
high
4.0 - - µs
Setup Time for Repeated Start Condition
t
sust
4.7 - - µs
SDA Hold Time from SCL Falling (Note 16)
t
hdd
0--µs
SDA Setup Time to SCL Rising
t
sud
250 - - ns
Rise Time of Both SDA and SCL Lines
t
r
- - 25 ns
Fall Time of Both SDA and SCL Lines
t
f
- - 25 ns
Setup Time for Stop Condition
t
susp
4.7 - - µs
t
buf
t
hdst
t
hdst
t
low
t
r
t
f
t
hdd
t
high
t
sud
t
sust
t
susp
Stop Start
Start
Stop
Repeated
SDA
SCL
Figure 4. I²C Mode Timing