DS90UB903QSQ Datasheet, PDF (16/45 Pages) Texas Instruments – DS90UB903Q/DS90UB904Q 10 - 43MHz 18 Bit Color FPD-Link III Serializer and Deserializer

DS90UB903Q, DS90UB904Q
SNLS332E – JUNE 2010 – REVISED APRIL 2013
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
Figure 17. Deserializer Delay
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SYMBOL N + 3
SYMBOL N+1
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 18. 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 19. Receiver Input Jitter Tolerance
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
1.0E+04
1.0E+05 1.0E+06
1.0E+07
MODULATION FREQUENCY (Hz)
Figure 20. Typical Serializer Jitter Transfer Function Curve at 43 MHz
16
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