DS90UR908Q Datasheet, PDF (9/30 Pages) National Semiconductor (TI) – 5 - 65 MHz 24-bit Color FPD-Link II to FPD-Link Converter

Recommended Timing for the Serial Control Bus
Over 3.3V operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
f_SCL
SCL Clock Frequency
Standard Mode
Fast Mode
t_LOW
SCL Low Period
Standard Mode
Fast Mode
t_HIGH SCL High Period
Standard Mode
Fast Mode
t_HD;STA
Hold time for a start or a
repeated start condition,
Figure 11
Standard Mode
Fast Mode
t_SU:STA
Set Up time for a start or a
repeated start condition,
Figure 11
Standard Mode
Fast Mode
t_HD;DAT Data Hold Time,
Figure 11
Standard Mode
Fast Mode
t_SU;DAT Data Set Up Time,
Figure 11
Standard Mode
Fast Mode
t_SU;STO Set Up Time for STOP
Condition, Figure 11
Standard Mode
Fast Mode
t_BUF
Bus Free Time
Standard Mode
Between STOP and START, _{Fast Mode}
Figure 11
t_r
SCL & SDA Rise Time,
Figure 11
Standard Mode
Fast Mode
t_f
SCL & SDA Fall Time,
Figure 11
Standard Mode
Fast mode
DC and AC Serial Control Bus Characteristics
Over 3.3V supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
V_IH
Input High Level
SDA and SCL
V_IL
Input Low Level Voltage
SDA and SCL
V_HY
V_OL
I_in
t_R
t_F
t_SU;DAT
t_HD;DAT
t_SP
C_in
Input Hysteresis
SDA RiseTime – READ
SDA Fall Time – READ
Set Up Time — READ
Hold Up Time — READ
Input Filter
Input Capacitance
SDA, IOL = 0.5mA
SDA or SCL, Vin = V_DDIO or GND
SDA, RPU = X, Cb ≤ 400pF
Figure 11
Figure 11
SDA or SCL
Min Typ Max Units
0
100 kHz
0
400 kHz
4.7
us
1.3
us
4.0
us
0.6
us
4.0
us
0.6
us
4.7
us
0.6
us
0
3.45 us
0
0.9
us
250
ns
100
ns
4.0
us
0.6
us
4.7
us
1.3
us
1000 ns
300
ns
300
ns
300
ns
Min Typ Max Units
0.7*
V_DDIO
V_DDIO
V
GND
0.3*
V_DDIO
V
>50
mV
0
0.36
V
-10
+10
µA
800
ns
50
ns
540
ns
600
ns
50
ns
<5
pF
9
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