CBTL06DP212
High-performance DisplayPort Gen2 2 : 1 multiplexer
Rev. 2 — 3 November 2011
Product data sheet
1. General description
CBTL06DP212 is a high performance multi-channel Generation 2 multiplexer meant for
DisplayPort (DP) v1.2, v1.1a or Embedded DisplayPort applications operating at data rate
of 1.62 Gbit/s, 2.7 Gbit/s or 5.4 Gbit/s. It is designed using NXP proprietary
high-bandwidth pass-gate technology and it can be used for 1 : 2 switching or 2 : 1
multiplexing of four high-speed differential AC-coupled DP channels. Further, it is capable
of switching/multiplexing of Hot Plug Detect (HPD) signal as well as Auxiliary (AUX) and
Display Data Channel (DDC) signals. In order to support GPUs/CPUs that have dedicated
AUX and DDC I/Os, CBTL06DP212 provides an additional level of multiplexing of AUX
and DDC signals delivering true flexibility and choice.
A typical application of CBTL06DP212 is on motherboards where one of two GPU
DisplayPort sources needs to be selected to connect to a DisplayPort sink device or
connector. A controller chip selects which path to use by setting a select signal HIGH or
LOW. Due to the bidirectional nature of the signal paths, CBTL06DP212 can also be used
in the reverse topology, e.g., to connect one display source device to one of two display
sink devices or connectors.
2. Features and benefits
1 : 2 switching or 2 : 1 multiplexing of DisplayPort (v1.2 - 5.4 Gbit/s) signals
4 high-speed differential channels with 2 : 1 multiplexing/switching for DisplayPort
main link signals
1 channel with 4 : 1 multiplexing/switching for AUX or DDC signals
1 channel with 2 : 1 multiplexing/switching for HPD signal
High-bandwidth: 5 GHz at
3
dB
Low insertion loss:
0.5
dB at 100 MHz
3
dB at 5 GHz
Low crosstalk:
35
dB at 3 GHz
Low off-state isolation:
30
dB at 3 GHz
Low return loss:
8
dB at 3 GHz
Very low intra-pair skew (5 ps typical)
Very low inter-pair skew (< 80 ps)
Switch/multiplexer position select CMOS input
DDC and AUX ports tolerant to being pulled to +5 V via 2.2 k resistor
Supports HDMI/DVI incorrect dongle connection
Single 3.3 V power supply
Operation current of 2 mA typical
NXP Semiconductors
CBTL06DP212
High-performance DisplayPort Gen2 2 : 1 multiplexer
ESD 8 kV HBM, 1 kV CDM
ESD 2 kV HBM, 500 V CDM for control pins
Available in 5 mm
5 mm, 0.5 mm ball pitch TFBGA48 package
3. Applications
Motherboard applications requiring DisplayPort and PCI Express
switching/multiplexing
Docking stations
Notebook computers
Chip sets requiring flexible allocation of PCI Express or DisplayPort I/O pins to board
connectors
4. Ordering information
Table 1.
Ordering information
Solder process
Pb-free (SnAgCu
solder compound)
Package
Name
CBTL06DP212EE
TFBGA48
Description
plastic thin fine-pitch ball grid array package;
48 balls; body 5
5
0.8 mm
[1]
Version
SOT918-1
Type number
[1]
Total height including solder balls after printed circuit board mounting = 1.15 mm maximum.
5. Marking
Table 2.
Line
A
B
C
Package marking
Marking
6D212
[1]
xxxxxxx
ZPGyyww
Description
basic type number
diffusion lot number
manufacturing code:
Z = diffusion site
P = assembly site
G = lead-free
yy = year code
ww = week code
[1]
Industrial temperature range.
CBTL06DP212
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 3 November 2011
2 of 18
NXP Semiconductors
CBTL06DP212
High-performance DisplayPort Gen2 2 : 1 multiplexer
6. Functional diagram
VDD
CBTL06DP212
4
IN1_n+
IN1_n−
IN2_n+
IN2_n−
0
4
4
OUT_n+
OUT_n−
1
AUX1+
AUX1−
AUX2+
AUX2−
DDC_CLK1
DDC_DAT1
DDC_CLK2
DDC_DAT2
00
10
AUX+ or SCL
AUX− or SDA
AUX+
AUX−
01
11
HPD_1
0
HPDIN
HPD_2
1
GPU_SEL
DDC_AUX_SEL
TST0
GND
002aaf878
Fig 1.
Functional diagram
CBTL06DP212
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 3 November 2011
3 of 18
NXP Semiconductors
CBTL06DP212
High-performance DisplayPort Gen2 2 : 1 multiplexer
7. Pinning information
7.1 Pinning
ball A1
index area
CBTL06DP212EE
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
002aaf879
Transparent top view
Fig 2.
Pin configuration for TFBGA48
1
A
B
C
D
E
F
G
H
J
AUX−
HPDIN
OUT_1−
OUT_2−
OUT_3−
GPU_SEL
OUT_0−
2
VDD
OUT_0+
DDC_AUX
_SEL
OUT_1+
OUT_2+
OUT_3+
GND
AUX+
HPD_1
3
4
IN1_0−
5
IN1_1−
IN1_1+
6
IN1_2−
IN1_2+
7
8
IN1_3+
9
IN1_3−
IN2_0−
GND
IN1_0+
TST0
IN2_0+
GND
IN2_1+
IN2_2+
IN2_3+
GND
IN2_1−
IN2_2−
IN2_3−
HPD_2
GND
VDD
DDC_CLK2
DDC_DAT2
AUX2+
AUX2−
GND
DDC_CLK1
DDC_DAT1
AUX1+
AUX1−
002aaf943
Transparent top view
Fig 3.
Ball mapping
CBTL06DP212
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 3 November 2011
4 of 18
NXP Semiconductors
CBTL06DP212
High-performance DisplayPort Gen2 2 : 1 multiplexer
7.2 Pin description
Table 3.
Symbol
GPU_SEL
Pin description
Ball
A1
Type
3.3 V CMOS
single-ended input
Description
Selects between two multiplexer/switch paths. When HIGH, path 2
left-side is connected to its corresponding right-side I/O. When
LOW, path 1 left-side is connected to its corresponding right-side
I/O.
Selects between DDC and AUX paths. When HIGH, the CLK and
DAT I/Os are connected to their respective DDCOUT terminals.
When LOW, the AUX+ and AUX I/Os are connected to their
respective DDCOUT terminals.
Test pin for NXP use only. Should be tied to VDD in normal
operation.
Four high-speed differential pairs for DisplayPort or PCI Express
signals, path 1, left-side.
DDC_AUX_SEL
C2
3.3 V CMOS
single-ended input
TST0
IN1_0+
IN1_0
IN1_1+
IN1_1
IN1_2+
IN1_2
IN1_3+
IN1_3
IN2_0+
IN2_0
IN2_1+
IN2_1
IN2_2+
IN2_2
IN2_3+
IN2_3
OUT_0+
OUT_0
OUT_1+
OUT_1
OUT_2+
OUT_2
OUT_3+
OUT_3
AUX1+
AUX1
AUX2+
AUX2
DDC_CLK1
DDC_DAT1
B7
B4
A4
B5
A5
B6
A6
A8
A9
B8
B9
D8
D9
E8
E9
F8
F9
B2
B1
D2
D1
E2
E1
F2
F1
H9
J9
H6
J6
H8
J8
3.3 V CMOS
single-ended input
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
differential I/O
Four high-speed differential pairs for DisplayPort or PCI Express
signals, path 2, left-side.
Four high-speed differential pairs for DisplayPort or PCI Express
signals, right-side.
High-speed differential pair for AUX signals, path 1, left-side.
High-speed differential pair for AUX signals, path 2, left-side.
Pair of single-ended terminals for DDC clock and data signals,
path 1, left-side.
CBTL06DP212
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 3 November 2011
5 of 18
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