DS90UR903Q-Q1 Datasheet, PDF (14/44 Pages) Texas Instruments – 10 - 43MHz 18 Bit Color FPD-Link II Serializer and Deserializer

DS90UR903Q-Q1, DS90UR904Q-Q1
SNLS346C – AUGUST 2011 – REVISED JUNE 2014
RIN±
0V
SYMBOL N
PCLK
ROUTn
SYMBOL N - 3
SYMBOL N + 1
t_DD
SYMBOL N - 2
SYMBOL N + 2
SYMBOL N + 3
VDDIO/2
SYMBOL N - 1
SYMBOL N
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SYMBOL N + 3
SYMBOL N+1
Figure 14. Deserializer Delay
PCLK
ROUT[n],
VS, HS
t_RCP
1/2 V_DDIO
1/2 V_DDIO
1/2 V_DDIO
t_ROS
t_ROH
1/2 V_DDIO
V_DDIO
0V
V_DDIO
0V
Figure 15. Deserializer Output Setup/Hold Times
Ideal Data Bit
Beginning
Sampling
Window
Ideal Data
Bit End
RxIN_TOL
Left
RxIN_TOL
Right
Ideal Center Position (t_BIT/2)
t_BIT (1 UI)
V_TH
0V
V_TL
t_RJIT = RxIN_TOL (Left + Right)
Sampling Window = 1 UI - t_RJIT
Figure 16. Receiver Input Jitter Tolerance
Frequency
FPCLK+
fdev (max)
fdev ^FPCLK
FPCLK-
1 / fmod
fdev (min)
Time
Figure 17. Spread Spectrum Clock Output Profile
14
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