DS92LV2411_15 Datasheet, PDF (14/54 Pages) Texas Instruments – 5 to 50 MHz 24-Bit Channel Link II Serializer And Deserializer

DS92LV2411, DS92LV2412
SNLS302E – MAY 2010 – REVISED FEBRUARY 2015
7.8 Recommended Timing For The Serial Control Bus
Over recommended operating supply and temperature ranges unless otherwise specified.
PARAMETER
TEST 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 18
Standard Mode
Fast Mode
t_SU:STA
Set Up time for a start or a
repeated start condition,
Figure 18
Standard Mode
Fast Mode
t_HD;DAT
Data Hold Time,
Figure 18
Standard Mode
Fast Mode
t_SU;DAT
Data Set Up Time,
Figure 18
Standard Mode
Fast Mode
t_SU;STO
Set Up Time for STOP
Condition, Figure 18
Standard Mode
Fast Mode
t_BUF
Bus Free Time
Standard Mode
Between STOP and START,
Figure 18
Fast Mode
t_r
SCL and SDA Rise Time,
Standard Mode
Figure 18
Fast Mode
t_f
SCL and SDA Fall Time,
Standard Mode
Figure 18
Fast mode
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MIN TYP MAX UNIT
100 kHz
400 kHz
4.7
µs
1.3
µs
4.0
µs
0.6
µs
4.0
µs
0.6
µs
4.7
µs
0.6
µs
0
3.45 µs
0
0.9 µs
250
ns
100
ns
4.0
µs
0.6
µs
4.7
µs
1.3
µs
1000 ns
300 ns
300 ns
300 ns
A
C_A
A' Scope
50:
50:
B
C_B
B'
50:
50:
Figure 1. Serializer Test Circuit
DOUT+
DOUT-
GND
VOD+
VOS
VOD-
(DOUT+) - (DOUT+)
VOD+
VODp-p
0V
VOD-
Figure 2. Serializer Output Waveforms
14
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