DS90UR903Q Datasheet, PDF (14/34 Pages) Texas Instruments – DS90UR903Q/DS90UR904Q 10 - 43MHz 18 Bit Color FPD-Link II Serializer and Deserializer

Serial Control Bus AC Timing Specifications (SCL, SDA) - I²C Compliant
(Figure 4)
Over recommended supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max Units
RECOMMENDED INPUT TIMING REQUIREMENTS (Note 12)
f_SCL
t_LOW
t_HIGH
t_HD:STA
SCL Clock Frequency
SCL Low Period
SCL High Period
f_SCL = 100 kHz
Hold time for a start or a repeated start
condition
>0
100
kHz
4.7
µs
4.0
µs
4.0
µs
t_SU:STA
Set Up time for a start or a repeated
start condition
4.7
µs
t_HD:DAT Data Hold Time
t_SU:DAT Data Set Up Time
t_SU:STO Set Up Time for STOP Condition
t_r
SCL & SDA Rise Time
t_f
SCL & SDA Fall Time
C_b
Capacitive load for bus
SWITCHING CHARACTERISTICS (Note 11)
0
3.45
µs
250
ns
4.0
µs
1000
ns
300
ns
400
pF
t_HD:DAT
t_SU:DAT
t_f
Data Hold Time
Data Set Up Time
SCL & SDA Fall Time
0
3.45
µs
250
ns
300
ns
FIGURE 4. Serial Control Bus Timing
30164636
Serial Control Bus DC Characteristics (SCL, SDA) - I²C Compliant
Over recommended supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
V_IH
Input High Level
SDA and SCL
V_IL
Input Low Level Voltage SDA and SCL
V_HY
Input Hysteresis
SDA and SCL
I_OZ
TRI-STATE Output Current PDB = 0V
V_OUT = 0V or V_DD
I_IN
Input Current
SDA or SCL,
Vin = V_DDIO or GND
0.7 x
V_DDIO
V_DDIO
GND
0.3 x
V_DDIO
>50
-20
±1
+20
-20
±1
+20
Units
V
V
mV
µA
µA
13
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