DS92LV3221_14 Datasheet, PDF (10/30 Pages) Texas Instruments – 20-50 MHz 32-Bit Channel Link II Serializer / Deserializer

DS92LV3221, DS92LV3222
SNLS319C – OCTOBER 2009 – REVISED APRIL 2013
AC Timing Diagrams and Test Circuits
Differential
Signal
80%
20%
80%
Vdiff = 0V
20%
t_LLHT
t_LHLT
Figure 3. Serializer LVDS Transition Times
VDDIO
TxCLKIN
0V
80%
20%
t_CIT
80%
20%
t_CIT
Figure 4. Serializer Input Clock Transition Time
TxCLKIN
TxIN
t_CIP
t_CIH + t_CIL
t_STC
t_HTC
Setup
Hold
Figure 5. Serializer Setup/Hold and High/Low Times
TxIN
TxCLKIN
TxOUT
SYMBOL N - 1
SYMBOL N
SYMBOL N+1
SYMBOL N+2
SYMBOL N-3
SYMBOL N- 2
t_SD
SYMBOL N-1
SYMBOL N
Figure 6. Serializer Propagation Delay
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SYMBOL N+3
SYMBOL N +1
10
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