Protocol & bus switches & muxes
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Route signals while preserving signal integrity. Our portfolio offers multivendor signal routing solutions for interfaces including bus switching, USB, PCIe, I2C and I3C, SPI, MIPI, DisplayPort™, and HDMI. Perform signal routing in personal electronics, enterprise and communication systems, industrial applications, and automotive applications.
Bus switches
Serial communication
USB
Video
Related categories
I2C & I3C switches & multiplexers
Protocol and bus switches
Passive muxes by protocol
Passive muxes for SPI, I2C and JTAG
Our portfolio of high-bandwidth, low on-capacitance, small-footprint muxes work with protocols such as SPI, Joint Test Action Group ( JTAG) and I2C for serial communication in buses commonly found in rack servers, notebook PCs and automotive applications. Features include 1.8V logic and power-off protection.
Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C)
Enabling SPI-Based Flash Memory Expansion by Using Multiplexers (Rev. C)
Passive muxes for USB 2.0, USB 3.0, USB 4.0 and USB Type-C
Our portfolio of high-speed muxes are qualified for USB 2.0, USB 3.0 and USB Type-C specifications. Many of our USB muxes are multisource solutions offering continuity of supply and cost savings.
For laptops and smartphones, our muxes offer high electrostatic discharge, small packages and low power. For USB Type-C Alt Mode in docking stations or TVs, our high-bandwidth muxes integrate a configuration channel controller. For automotive infotainment, we offer automotive-qualified muxes.
Passive muxes for HDMI, DisplayPort and MIPI
Our portfolio of video high-speed muxes are qualified for HDMI, DisplayPort and MIPI specifications. They are tailored to various data rates supporting ≥12Gbps.
Our passive muxes for video applications come in a variety of packages and pinouts to best fit your design. For laptops, monitors or docking stations, our muxes offer high electrostatic discharge protection, small packages and low power. For automotive infotainment, we offer automotive-qualified muxes.
Passive muxes for PCIe, SAS, SATA
Our portfolio of high-speed muxes are qualified for PCIe or any other high-speed differential signals ≤16Gbps. Our passive muxes designed to work over PCIe 4.0 are footprint-compatible for upgrading to active muxes with a built-in redriver, which enables maximum design flexibility.
Our passive muxes work with any protocol that shares similar data rates and electrical connections, including Serial Attached Small Computer System Interface (SAS), Serial Advanced Technology Attachment (SATA) and Compute Express Link (CXL).
Passive Mux Selection Based On Bandwidth (Rev. B)
TMUXHS4212 MUX vs DS160PR421 or DS160PR412 Redriver in PCIe GEN 4 Applications
HD3SS3212-Q1ACTIVE
Benefits of our I3C-compatible passive multiplexers
I3C is an improvement upon previous communication protocols I2C and SPI. I3C-compatible multiplexers are optimized for the improved specifications of the I3C protocol.
- Increase the number of peripherals a controller can communicate with
- Maintains a low bus line capacitance below 50pF
- Supports open-drain and push-pull interfaces
- High bandwidth to maintain integrity of 12.5MHz signals
- I3C voltage-level support: 1.2V, 1.8V, 3.3V
New products
Two-channel 32Gbps 2:1/1:2 differential multiplexer/demultiplexer
Approx. price (USD)1ku |1.1
Automotive 3.3-V, 4:1, 2-channel analog multiplexer
Approx. price (USD)1ku |0.263
Automotive, 3.3V, 1:1 (SPST) four-channel FET bus switch with powered-off protection
Approx. price (USD)1ku |0.16
Automotive, USB-C 10-Gbps alternate mode 6 by 4 multiplexer/demultiplexer
Approx. price (USD)1ku |1.28
1.2V, 2:1 (SPDT) six-channel analog multiplexer with 1V compatible control inputs
Approx. price (USD)1ku |0.813
Automotive 3.3V, 1:1 (SPST), 8-channel general-purpose FET bus switch
Approx. price (USD)1ku |0.284