MAX3786 データシートの表示（PDF） - Maxim Integrated
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MAX3786 Datasheet PDF : 10 Pages
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1.5Gbps Serial ATA-Compatible Mux/Buffer with
Loopback and Equalization
Table 1. Operation Truth Table
INPUT CONTROLS
SEL
LB_EN
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
High
Low
High
Low
High
Low
High
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
High
High
High
High
High
High
High
LOSS-OF-SIGNAL DETECT
LOS_RX
LOS_0
LOS_1
False
False
False
False
False
True
False
True
False
False
True
True
True
False
False
True
False
True
True
True
False
True
True
True
False
False
X
False
True
X
True
False
X
True
True
X
False
False
False
False
False
True
False
True
False
False
True
True
True
False
False
True
False
True
True
True
False
True
True
True
False
X
False
False
X
True
True
X
False
True
X
True
SEL = Low connects TX/RX to IN0/OUT0, high connects TX/RX to IN1/OUT1.
LOS = True indicates loss of signal.
LB_EN = Low enables loopback of nonselected channel.
X = Don’t care.
OUTPUT FUNCTION
TX
OUT0
OUT1
IN0
RX
IN1
IN0
RX
OFF
Off
RX
IN1
Off
RX
Off
IN0
Off
IN1
IN0
Off
Off
Off
Off
IN1
Off
Off
Off
IN0
RX
Off
Off
RX
Off
IN0
Off
Off
Off
Off
Off
IN1
IN0
RX
Off
IN0
RX
IN1
Off
RX
Off
Off
RX
IN1
IN0
Off
Off
IN0
Off
IN1
Off
Off
Off
Off
Off
IN1
Off
RX
Off
Off
RX
IN1
Off
Off
Off
Off
Off
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