DS90UH927Q Datasheet, PDF (10/59 Pages) Texas Instruments – 5MHz - 85MHz 24-bit Color FPD-Link III Serializer with HDCP

DS90UH927Q
Recommended Timing for the Serial Control Bus
Over 3.3V supply and temperature ranges unless otherwise specified. (Note 2, Note 3, Note 4)
Symbol
Parameter
Conditions
Min
f_SCL
SCL Clock Frequency
Standard Mode
0
Fast Mode
0
t_LOW
SCL Low Period
Standard Mode
4.7
Fast Mode
1.3
t_HIGH
SCL High Period
Standard Mode
4.0
Fast Mode
0.6
t_HD;STA Hold time for a start or a
Standard Mode
4.0
repeated start condition
Figure 9
Fast Mode
0.6
t_SU:STA Set Up time for a start or a Standard Mode
4.7
repeated start condition
Figure 9
Fast Mode
0.6
t_HD;DAT Data Hold Time
Standard Mode
0
Figure 9
Fast Mode
0
t_SU;DAT Data Set Up Time
Standard Mode
250
Figure 9
Fast Mode
100
t_SU;STO Set Up Time for STOP
Standard Mode
4.0
Condition
Figure 9
Fast Mode
0.6
Bus Free Time
Standard Mode
4.7
t_BUF
Between STOP and START
Figure 9
Fast Mode
1.3
t_r
SCL & SDA Rise Time,
Figure 9
Standard Mode
Fast Mode
t_f
SCL & SDA Fall Time,
Figure 9
Standard Mode
Fast mode
Typ Max Units
100 kHz
400 kHz
µs
µs
µs
µs
µs
µs
µs
µs
3.45 µs
0.9
µs
ns
ns
µs
µs
µs
µs
1000 ns
300 ns
300 ns
300 ns
DC and AC Serial Control Bus Characteristics
Over 3.3V supply and temperature ranges unless otherwise specified. (Note 2, Note 3, Note 4)
Symbol
Parameter
Conditions
Min Typ Max Units
V_IH
V_IL
V_HY
V_OL
I_in
t_R
t_F
t_SU;DAT
t_HD;DAT
t_SP
C_in
Input High Level
Input Low Level Voltage
Input Hysteresis
SDA RiseTime – READ
SDA Fall Time – READ
Set Up Time — READ
Hold Up Time — READ
Input Filter
Input Capacitance
SDA and SCL
SDA and SCL
SDA or SCL, IOL = 1.25mA
SDA or SCL, Vin = V_DDIO or GND
SDA, RPU = 10kΩ, Cb ≤ 400pF, Figure 9
Figure 9
Figure 9
SDA or SCL
0.7*
V_DDIO
V_DD33
V
GND
0.3*
V_DD33
V
>50
mV
0
0.36
V
-10
+10 µA
430
ns
20
ns
560
ns
615
ns
50
ns
<5
pF
10
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