DS90UR908Q_14 Datasheet, PDF (9/33 Pages) Texas Instruments – 5 - 65 MHz 24-bit Color FPD-Link II to FPD-Link Converter

DS90UR908Q
www.ti.com
SNLS317H – SEPTEMBER 2009 – REVISED APRIL 2013
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 12
Standard Mode
Fast Mode
t_SU:STA
Set Up time for a start or a
repeated start condition,
Figure 12
Standard Mode
Fast Mode
t_HD;DAT Data Hold Time, Figure 12
Standard Mode
Fast Mode
t_SU;DAT Data Set Up Time, Figure 12
Standard Mode
Fast Mode
t_SU;STO Set Up Time for STOP
Condition, Figure 12
Standard Mode
Fast Mode
t_BUF
Bus Free Time Between STOP Standard Mode
and START, Figure 12
Fast Mode
t_r
SCL & SDA Rise Time,
Figure 12
Standard Mode
Fast Mode
t_f
SCL & SDA Fall Time,
Figure 12
Standard Mode
Fast mode
Min
Typ
Max Units
0
100
kHz
0
400
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
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 12
See Figure 12
SDA or SCL
Min
0.7*
V_DDIO
GND
0
-10
Typ
Max Units
V_DDIO
V
0.3*
V_DDIO
V
>50
mV
0.36
V
+10
µA
800
ns
50
ns
540
ns
600
ns
50
ns
<5
pF
Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: DS90UR908Q
Submit Documentation Feedback
9