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DS92LV0411_14 Datasheet, PDF (15/53 Pages) Texas Instruments – 5 - 50 MHz Channel Link II Serializer/Deserializer with LVDS Parallel Interface
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DS92LV0411, DS92LV0412
www.ti.com
SNLS331B – MAY 2010 – REVISED APRIL 2013
Recommended Timing for the Serial Control Bus
Over recommended operating supply and temperature ranges unless otherwise specified. (Figure 20)
Symbol
Parameter
Conditions
Min
Typ
fSCL
SCL Clock Frequency
Standard Mode
>0
Fast Mode
>0
tLOW
SCL Low Period
Standard Mode
4.7
Fast Mode
1.3
tHIGH SCL High Period
Standard Mode
4.0
Fast Mode
0.6
tHD:STA Hold time for a start or a
Standard Mode
4.0
repeated start condition
Fast Mode
0.6
tSU:STA Set Up time for a start or a
Standard Mode
4.7
repeated start condition
Fast Mode
0.6
tHD:DAT Data Hold Time
0
Fast Mode
0
tSU:DAT Data Set Up Time
Standard Mode
250
Fast Mode
100
tSU:STO Set Up Time for STOP
Standard Mode
4.0
Condition
Fast Mode
0.6
tBUF
Bus Free Time Between STOP Standard Mode
4.7
and START
Fast Mode
1.3
tr
SCL & SDA Rise Time
Standard Mode
Fast Mode
tf
SCL & SDA Fall Time
Standard Mode
Fast Mode
Max
100
400
3.45
0.9
1000
300
300
300
Units
kHz
kHz
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
ns
ns
ns
ns
DC and AC Serial Control Bus Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
VIH
Input High Level
VIL
Input Low Level Voltage
VHY
Input Hysteresis
VOL
Iin
tR
tF
tSU;DAT
tHD;DAT
tSP
Cin
SDA RiseTime – READ
SDA Fall Time – READ
Set Up Time – READ
Hold Up Time – READ
Input Filter
Input Capacitance
SDA and SCL
VDDIO = 3.3V
SDA and SCL
VDDIO = 3.3V
VDDIO = 3.3V
SDA, IOL = 3mA
VDDIO = 3.3V
SDA or SCL, Vin = 3.3V or GND
SDA, RPU = X, Cb ≤ 400pF, (See Figure 20)
See Figure 20
See Figure 20
SDA or SCL
Min
0.7*
VDDIO
GND
0
-10
Typ
Max Units
VDDIO
V
0.3*
VDDIO
V
>50
mV
0.36
V
+10
µA
430
ns
20
ns
560
ns
615
ns
50
ns
<5
pF
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