DS125MB203_15 Datasheet, PDF (16/54 Pages) Texas Instruments – Low-Power 12.5-Gbps Dual-Lane 2:1/1:2 Mux/Buffer

DS125MB203
SNLS432C – OCTOBER 2012 – REVISED DECEMBER 2015
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Table 4. Input Termination Condition With RESET, INPUT_EN and SEL0 / SEL1
RESET INPUT_EN
1
X
0
0
0
R
0
F
0
F
0
F
0
F
0
1
SEL0
SEL1
X
X
X
0
R
F
1
X
MODE
INPUT_TERM
S_INA0, S_INA1
INPUT_TERM
S_INB0, S_INB1
Low Power
High Z
High Z
Manual Mux
Mode
50 Ω
50 Ω
Reserved
Reserved
Reserved
Auto - continuous
poll, DIN_B
High Z
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
Auto - continuous
poll, DIN_B
High Z
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
Auto - continuous
poll, DIN_A
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
High Z
Auto - continuous
poll, DIN_A
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
High Z
Manual Fanout
Mode
50 Ω
50 Ω
INPUT_TERM
D_IN0, D_IN1
High Z
50 Ω
Reserved
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
Auto RX-Detect, output
tests every 12 msec until
detection occurs, input
termination is high-z until
detection; once detected
input termination is 50 Ω
50 Ω
16
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