DS92LV3221_14 Datasheet, PDF (11/30 Pages) Texas Instruments – 20-50 MHz 32-Bit Channel Link II Serializer / Deserializer

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RxIN
RxCLKOUT
RxOUT
DS92LV3221, DS92LV3222
SNLS319C – OCTOBER 2009 – REVISED APRIL 2013
PDB
2.0V
TxCLKIN
TxOUT TRI-STATE
t_PLD
LVDS Output HIGH
LVDS Output Active
Figure 7. Serializer PLL Lock Time
0.8V
t_HZD or
t_LZD
TRI-STATE
V_OH
V_OL
80%
20%
t_ROTR
80%
20%
t_ROTF
Figure 8. Deserializer LVCMOS Output Transition Time
t_ROCP
RxCLKOUT
V_DD/2
t_RODC
t_RODC
V_DD/2
t_ROSC
t_ROHC
RxOUT [31:0]
V_DD/2
Data Valid
Before
RxCLKOUT
Data Valid
After
RxCLKOUT
V_DD/2
Figure 9. Deserializer Setup and Hold times
SYMBOL N - 1
SYMBOL N
SYMBOL N +1
SYMBOL N + 2
t _RD
SYMBOL N + 3
SYMBOL N - 3
SYMBOL N - 2
SYMBOL N - 1
SYMBOL N
SYMBOL N +1
Figure 10. Deserializer Propagation Delay
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