English
Language : 

DS92LV2421 Datasheet, PDF (15/50 Pages) National Semiconductor (TI) – 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer
DS92LV2421, DS92LV2422
www.ti.com
SNLS321B – MAY 2010 – REVISED APRIL 2013
Deserializer Switching Characteristics (continued)
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
tDCCJ Des Cycle-to-Cycle Jitter
Conditions
SSC[3:0] = OFF(5)
Pin/Freq.
CLKOUT = 10 MHz
CLKOUT = 65 MHz
CLKOUT = 75 MHz
tIJT
Des Input Jitter Tolerance,
Figure 18
EQ = OFF,
SSCG = OFF,
CLKOUT = 75 MHz
jitter freq <2MHz
jitter freq >6MHz
BIST Mode
tPASS
BIST PASS Valid Time,
BISTEN = 1, Figure 19
SSCG Mode
fDEV
Spread Spectrum
Clocking Deviation
Frequency
CLKOUT = 10 to 65
MHz, SSC[3:0] = ON
fMOD
Spread Spectrum
Clocking Modulation
Frequency
CLKOUT = 10 to 65
MHz, SSC[3:0] = ON
(5) tDCCJ is the maximum amount of jitter between adjacent clock cycles.
Min (1)
±0.5
8
Typ Max(1) Units
375
900
ps
500 1150 ps
460 1000 ps
0.9
UI (2)
0.5
UI (2)
1
10
μs
±2
%
100 kHz
Recommended Timing for the Serial Control Bus
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
fSCL
SCL Clock Frequency
Standard Mode
Fast Mode
tLOW
SCL Low Period
Standard Mode
Fast Mode
tHIGH SCL High Period
Standard Mode
Fast Mode
tHD;STA
Hold time for a start or a
repeated start condition,
Figure 20
Standard Mode
Fast Mode
tSU:STA
Set Up time for a start or a
repeated start condition,
Figure 20
Standard Mode
Fast Mode
tHD;DAT Data Hold Time,
Figure 20
Standard Mode
Fast Mode
tSU;DAT Data Set Up Time,
Figure 20
Standard Mode
Fast Mode
tSU;STO Set Up Time for STOP
Condition, Figure 20
Standard Mode
Fast Mode
tBUF
Bus Free Time
Standard Mode
Between STOP and START,
Figure 20
Fast Mode
tr
SCL & SDA Rise Time,
Figure 20
Standard Mode
Fast Mode
tf
SCL & SDA Fall Time,
Figure 20
Standard Mode
Fast mode
(1) Specification is verified by design and is not tested in production.
Min (1)
4.7
1.3
4.0
0.6
4.0
0.6
4.7
0.6
0
0
250
100
4.0
0.6
4.7
1.3
Typ Max(1) 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
Copyright © 2010–2013, Texas Instruments Incorporated
Submit Documentation Feedback
15
Product Folder Links: DS92LV2421 DS92LV2422