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DS15MB200_13 Datasheet, PDF (3/18 Pages) Texas Instruments – Dual 1.5 Gbps 2:1/1:2 LVDS Mux/Buffer with Pre-Emphasis
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DS15MB200
www.ti.com
SNLS196E – NOVEMBER 2005 – REVISED MARCH 2013
PIN DESCRIPTIONS (continued)
Pin
Name
WQFN Pin
Number
I/O, Type
DIGITAL CONTROL INTERFACE
MUX_S0
38
I, LVTTL
MUX_S1
11
PREA_0
26
I, LVTTL
PREA_1
23
PREB_0
25
PREB_1
24
PREL_0
PREL_1
44
I, LVTTL
5
ENA_0
ENA_1
ENB_0
ENB_1
36
I, LVTTL
13
35
14
ENL_0
ENL_1
45
I, LVTTL
4
POWER
VDD
GND
2, 6, 12,
37, 43, 46,
48
3, 47(3)
I, Power
I, Power
Description
Mux Select Control Inputs (per channel) to select which Switch-side input, A or B, is passed through
to the Line-side.
Output pre-emphasis control for Switch-side outputs. Each output driver on the Switch A-side and B-
side has a separate pin to control the pre-emphasis on or off.
Output pre-emphasis control for Line-side outputs. Each output driver on the Line A-side and B-side
has a separate pin to control the pre-emphasis on or off.
Output Enable Control for Switch A-side and B-side outputs. Each output driver on the A-side and
B-side has a separate enable pin.
Output Enable Control for The Line-side outputs. Each output driver on the Line-side has a separate
enable pin.
VDD = 3.3V ±0.3V.
Ground reference for LVDS and CMOS circuitry.
For the WQFN package, the DAP is used as the primary GND connection to the device. The DAP is
the exposed metal contact at the bottom of the WQFN-48 package. It should be connected to the
ground plane with at least 4 vias for optimal AC and thermal performance.
(3) Note that the DAP on the backside of the WQFN package is the primary GND connection for the device when using the WQFN
package.
Connection Diagrams
ENA_1
ENB_1
SOA_1+
SOA_1-
SOB_1+
SOB_1-
SIA_1+
SIA_1-
SIB_1+
SIB_1-
PREA_1
PREB_1
12 11 10 9 8 7 6 5 4 3 2 1
13
48
14
47
15
46
16
45
17
44
18
DAP
43
19
(GND)
42
20
41
21
40
22
39
23
38
24
37
25 26 27 28 29 30 31 32 33 34 35 36
VDD
GND
VDD
ENL_0
PREL_0
VDD
LO_0+
LO_0-
LI_0+
LI_0-
MUX_S0
VDD
ENA_1
ENB_1
SOA_1+
SOA_1-
SOB_1+
SOB_1-
SIA_1+
SIA_1-
SIB_1+
SIB_1-
PREA_1
PREB_1
Channel 1
Channel 0
VDD
GND
VDD
ENL_0
PREL_0
VDD
LO_0+
LO_0-
LI_0+
LI_0-
MUX_S0
VDD
Figure 3. WQFN Top View
DAP = GND
Figure 4. Directional Signal Paths Top View
(Refer to pin names for signal polarity)
Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: DS15MB200
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