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CBTL05024 - High performance multiplexer/demultiplexer switch

Description

The CBTL05024 is a multiplexer/demultiplexer switch chip optimized to interface the Thunderbolt/MiniDP connector with Thunderbolt systems.

It supports 10.3125 Gbit/s Thunderbolt or DisplayPort v1.2 channels.

Features

  • 2.1 TB MUX 3 : 1 switch.
  • This 3 : 1 switch is implemented by two cascaded 2 : 1 switches.
  • The first 2 : 1 10G MUX is controlled by TB_ENA, AUXIO_EN and DP_PD pins.
  • The second 2 : 1 AUX MUX is controlled by CA_DET signal multiplexing of the 720 Mbit/s Differential FAUX (or 1 Mbit/s AUX) and DDC (Direct Display Control) signals.
  • When CA_DET is HIGH, DDC path is selected.
  • Differential TB channel.
  • Low insertion loss: 1.3 dB at 5 GHz.
  • Low return loss: < 20 dB at 5.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CBTL05024 High performance multiplexer/demultiplexer switch for Thunderbolt applications Rev. 4 — 27 March 2014 Product data sheet 1. General description The CBTL05024 is a multiplexer/demultiplexer switch chip optimized to interface the Thunderbolt/MiniDP connector with Thunderbolt systems. It supports 10.3125 Gbit/s Thunderbolt or DisplayPort v1.2 channels. The TB MUX is a 3 : 1 switch that selects between Thunderbolt data path and DisplayPort v1.2 side-band signals — either DDC or AUX. The DP MUX is a 2 : 1 switch that selects between DP ML (DisplayPort Main Link) and LS TX/RX signals. Both LSTX and LSRX are the side-band signals for Thunderbolt channel. This chip also includes HPD and CA_DET buffers for HPD_IN and CA_DET control signals. CBTL05024 is powered by a 3.
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