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CBTL02043B

更新时间： 2024-09-28 09:16:19

品牌	Logo	应用领域
恩智浦 - NXP		转换器开关 PC
页数	文件大小	规格书
16页	203K
描述
3.3 V, 2 differential channel, 2 : 1 multiplexer/demultiplexer switch for PCI Express Gen3

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CBTL02043B 数据手册

CBTL02043A; CBTL02043B

3.3 V, 2 differential channel, 2 : 1 multiplexer/demultiplexer

switch for PCI Express Gen3

Rev. 1 — 10 March 2011

Product data sheet

1. General description

CBTL02043A/B is a 2 differential channel, 2-to-1 multiplexer/demultiplexer switch for

PCI Express Generation 3 (Gen3), or other high-speed serial interface applications. The

CBTL02043A/B can switch two 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. CBTL02043A/B allows expansion of existing high speed ports

for extremely low power.

The device's pinouts are optimized to match different application layouts. CBTL02043A

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. CBTL02043B 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

2 bidirectional differential channel, 2 : 1 multiplexer/demultiplexer

High-speed signal switching for PCIe Gen3 8 Gbit/s

High bandwidth: 10 GHz at −3 dB

Low insertion loss:

−0.5 dB at 100 MHz

−1.3 dB at 4.0 GHz

Low return loss: −20 dB at 4 GHz

Low crosstalk: −35 dB at 4 GHz

Low off-state isolation: −20 dB at 4 GHz

Low intra-pair skew: 5 ps typical

Low inter-pair skew: 35 ps maximum

V_DDoperating range: 3.3 V ± 10 %

Shutdown pin (XSD) for power-saving mode

Standby current less than 1 μA

ESD tolerance:

2000 V HBM

1000 V CDM

DHVQFN20 package

12 3 4 5 6 7...16

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