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DS42MB200TSQ Datasheet(PDF) 5 Page - Texas Instruments

No. de Pieza. DS42MB200TSQ
Descripción  DS42MB200 Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization
Descarga  17 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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DS42MB200TSQ Datasheet(HTML) 5 Page - Texas Instruments

 
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DS42MB200
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SNOSAT8G – JANUARY 2006 – REVISED APRIL 2013
Table 1. LOGIC TABLE FOR MULTIPLEX CONTROLS
MUX_S0
Mux Function
0
MUX_0 select switch_B input, SIB_0±.
1 (default)
MUX_0 select switch_A input, SIA_0±.
MUX_S1
Mux Function
0
MUX_1 select switch_B input, SIB_1±.
1 (default)
MUX_1 select switch_A input, SIA_0±.
Table 2. LOGIC TABLE FOR LOOPBACK Controls
LB0A
Loopback Function
0
Enable loopback from SIA_0± to SOA_0±.
1 (default)
Normal mode. Loopback disabled.
LB0B
Loopback Function
0
Enable loopback from SIB_0± to SOB_0±.
1 (default)
Normal mode. Loopback disabled.
LB1A
Loopback Function
0
Enable loopback from SIA_1± to SOA_1±.
1 (default)
Normal mode. Loopback disabled.
LB1B
Loopback Function
0
Enable loopback from SIB_1± to SOB_1±.
1 (default)
Normal mode. Loopback disabled.
Table 3. LINE-SIDE PRE-EMPHASIS CONTROLS
De-Emphasis Level in
Pre-Emphasis Level in mVPP
Pre-Emphasis in dB
Typical FR4 board
PreL_[1:0]
mVPP
(VODB)
(VODPE/VODB)
trace
(VODPE)
0 0
1200
1200
0
10 inches
0 1
1200
850
−3
20 inches
1 0
1200
600
−6
30 inches
1 1
1200
426
−9
40 inches
(default)
Table 4. SWITCH-SIDE PRE-EMPHASIS CONTROLS
De-Emphasis Level in
Pre-Emphasis Level in mVPP
Pre-Emphasis in dB
Typical FR4 board
PreS_[1:0]
mVPP
(VODB)
(VODPE/VODB)
trace
(VODPE)
0 0
1200
1200
0
10 inches
0 1
1200
850
−3
20 inches
1 0
1200
600
−6
30 inches
1 1
1200
426
−9
40 inches
(default)
Copyright © 2006–2013, Texas Instruments Incorporated
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