BU90T82_16 Datasheet, PDF (12/29 Pages) Rohm – 27bit LVDS Dual-out Transmitter

BU90T82
Output Mode Select on MODE, DDRN Pins
Datasheet
Single-in / Single-out Mode
174MHz
-
TX
Data
Mapping
TX
MODE=H, DDRN=H
174MHz
Single-in / Dual-out Mode (DDR Disable)
174MHz
--
TX
Data
Mapping
TX
87MHz
87MHz
MODE=L, DDRN=H
Single-in / Distribution-out Mode
174MHz
-
TX
Data
Mapping
TX
174MHz
174MHz
MODE=H, DDRN=L
Single-in / Dual-out Mode (DDR Enable)
174MHz
--
TX
Data
Mapping
TX
174MHz
174MHz
MODE=L, DDRN=L
Table 6. Input DE Signal
Figure 9. Output Mode Select on MODE,DDRN Pins
In
Single
Single
Single
Single
Out
Single
Dual
Distribution
Dual (DDR function ON)
MODE
Pin select
H
L
H
L
DDRN
Pin select
H
H
L
L
Input DE Signal
Optional
Require(Figure 10, 12)
Optional
Optional
DE Input Timing Diagrams
In Single-in/Dual out mode、the period between rising edges of DE(t_deint), high time of DE(t_DEH)
t_DEH = t_TCP * (2m)
t_DEINT = t_TCP * (2n)
m, n=integer
Figure 10. Single-in / Dual-out mode DE Input Timing Diagrams (MODE=L,DDRN=H)
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TSZ22111 • 15 • 001
12/25
TSZ02201-0L2L0H500270-1-2
06.July.2016 Rev.003