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CBTL04082A Datasheet

2 : 1 multiplexer/demultiplexer switch

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CBTL04082A; CBTL04082B
3.3 V, 4 differential channel, 2 : 1 multiplexer/demultiplexer
switch for PCI Express Gen2
Rev. 1 — 28 February 2011
Product data sheet
1. General description
CBTL04082A/B is an 8-to-4 bidirectional differential channel multiplexer/demultiplexer
switch for PCI Express Generation 2 (Gen2) applications. The CBTL04082A/B can switch
four differential signals to one of two locations. Using a unique design technique, NXP has
minimized the impedance of the switch such that the attenuation observed through the
switch is negligible, and also minimized the channel-to-channel skew as well as
channel-to-channel crosstalk, as required by the high-speed serial interface.
CBTL04082A/B allows expansion of existing high speed ports for extremely low power.
The devices’ pinouts are optimized to match different application layouts. CBTL04082A
has input and output pins on the opposite of the package, and is suitable for edge
connector(s) with different signal sources on the motherboard. CBTL04082B has outputs
on both sides of the package, and the device can be placed between two connectors to
multiplex differential signals from a controller. Please refer to Section 8 for layout
examples.
2. Features and benefits
„ 4 bidirectional differential channel, 2 : 1 multiplexer/demultiplexer
„ High-speed signal switching for PCIe Gen2 5 Gbit/s
„ High bandwidth: 6 GHz at 3 dB
„ Insertion loss:
‹ 0.5 dB at 100 MHz
‹ 1.2 dB at 2.5 GHz
„ Low intra-pair skew: 5 ps typical
„ Low inter-pair skew: 35 ps maximum
„ Low crosstalk: 30 dB at 2.5 GHz
„ Low off-state isolation: 25 dB at 2.5 GHz
„ Low return loss: 20 dB at 2.5 GHz
„ VDD operating range: 3.3 V ± 10 %
„ Dual shutdown pins for channel 0/1 and 2/3 independently to minimize power
consumption
‹ Standby current less than 1 μA
„ ESD tolerance:
‹ 8 kV HBM
‹ 1 kV CDM
„ HVQFN42 package


NXP Semiconductors Electronic Components Datasheet

CBTL04082A Datasheet

2 : 1 multiplexer/demultiplexer switch

No Preview Available !

NXP Semiconductors
CBTL04082A; CBTL04082B
3.3 V, 4 differential channel, 2 : 1 MUX/deMUX switch for PCIe Gen2
3. Applications
„ Routing of high-speed differential signals with low signal attenuation
‹ PCIe Gen2
‹ DisplayPort 1.2
‹ USB 3.0
‹ SATA 6 Gbit/s
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
CBTL04082ABS
HVQFN42 plastic thermal enhanced very thin quad flat package; no leads;
42 terminals; body 3.5 × 9 × 0.85 mm[1]
CBTL04082BBS
HVQFN42 plastic thermal enhanced very thin quad flat package; no leads;
42 terminals; body 3.5 × 9 × 0.85 mm[1]
[1] Total height after printed-circuit board mounting = 1.0 mm (maximum).
5. Functional diagram
Version
SOT1144-1
SOT1144-1
CBTL04082A_CBTL04082B
Product data sheet
A0_P
A0_N
A1_P
A1_N
XSD01
B0_P
B0_N
B1_P
B1_N
C0_P
C0_N
C1_P
C1_N
A2_P
A2_N
A3_P
A3_N
XSD23
B2_P
B2_N
B3_P
B3_N
C2_P
C2_N
C3_P
C3_N
SEL
Fig 1. Functional diagram of CBTL04082A; CBTL04082B
002aaf752
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 February 2011
© NXP B.V. 2011. All rights reserved.
2 of 18


Part Number CBTL04082A
Description 2 : 1 multiplexer/demultiplexer switch
Maker NXP
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CBTL04082A Datasheet PDF






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1 CBTL04082A 2 : 1 multiplexer/demultiplexer switch
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