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CBTL04DP211BS-518 PDF预览

CBTL04DP211BS-518

更新时间: 2024-11-16 12:48:35
品牌 Logo 应用领域
恩智浦 - NXP 复用器
页数 文件大小 规格书
18页 256K
描述
DisplayPort 2 : 1 multiplexer

CBTL04DP211BS-518 数据手册

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CBTL04DP211  
DisplayPort 2 : 1 multiplexer  
Rev. 2 — 13 April 2012  
Product data sheet  
1. General description  
CBTL04DP211 is an (Embedded) DisplayPort multiplexer for DisplayPort v1.1a switching  
and multiplexing applications on PC platforms. It is capable of 1 : 2 switching or  
2 : 1 multiplexing of 2-lane DisplayPort Main Link signals, using high-bandwidth pass-gate  
technology. Also, it can switch/multiplex Hot Plug Detect (HPD) signal and AUX signals,  
for a total of four channels on the display side.  
To facilitate DisplayPort switching/multiplexing scheme on PC platforms suitably,  
CBTL04DP211 provides two separate selection pins (GPU_SEL, AUX_SEL). The  
selection pin GPU_SEL performs switching from one Main Link to another Main Link. HPD  
signals will also be switched using the same selection pin. A separate select pin  
(AUX_SEL) provides additional selection between two AUX channels such that the AUX  
channel selection is independent of the Main Link and HPD signal selection.  
A typical application of CBTL04DP211 is on motherboards where one of two GPU/CPU  
display 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 non-directional nature of the signal paths (which use high-bandwidth pass-gate  
technology), the CBTL04DP211 can also be used in the reverse topology, e.g., to connect  
one DisplayPort source device to one of two DisplayPort sink devices or connectors.  
2. Features and benefits  
Supports DisplayPort v1.1a: 1.62 Gbit/s, 2.7 Gbit/s  
Supports Embedded DisplayPort v1.2: 1.62 Gbit/s, 2.7 Gbit/s  
Supports 1-lane, 2-lane Main Link operation  
1 : 2 switching or 2 : 1 multiplexing of DisplayPort Main Link signals  
2 high-speed differential channels with 2 : 1 multiplexing/switching for DisplayPort  
Main Link signals  
1 channel with 2 : 1 multiplexing/switching for AUX signals  
1 channel with 2 : 1 multiplexing/switching for single-ended HPD signals  
High-bandwidth analog pass-gate technology  
Very low intra-pair differential skew (5 ps typical)  
Very low inter-pair skew (< 180 ps)  
Switch/multiplexer position select CMOS input  
Single 3.3 V power supply  
Very low operation current of 0.2 mA typical  
ESD 8 kV HBM, 1 kV CDM  
ESD 2 kV HBM, 500 V CDM for control pins  
Available in 3 mm × 6 mm, 0.4 mm pitch HVQFN32 package  

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