TJA1104, MACsec Enabled ASIL B Compliant Automotive Ethernet 100BASE-T1 PHY Transceiver

  • Preproduction
  • This page contains information on a preproduction product. Specifications and information herein are subject to change without notice. For additional information contact support or your sales representative.

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Block Diagram

MACsec Enabled 100BASE-T1 Ethernet PHY



Key Features

  • IEEE 802.1AE-2018 MACsec at full wireline performance
  • Functional safety ISO 26262 ASIL B compliant
  • IEEE802.3bw compliant 100BASE-T1 PHY
  • OPEN Alliance TC-1 advanced PHY features
  • IEEE1588v2 / 802.1AS compliant time stamping
  • OPEN Alliance TC-10 compliant sleep / wake up
  • Single supply capability
  • HVQFN36 (6 x 6 mm) with wettable flanks
  • Optimized for automotive use cases
  • Includes startup self test
  • Compliant to AEC-Q100 Grade 1


  • Drop-in compatible with TJA1103
  • Drop-in compatible with TJA1120
  • Enables optimized platform designs

Important Information

  • TJA1104 silicon, documentation and software are available for selected NDA customers only. For additional information please contact support or your local sales representative


Quick reference to our documentation types.

2 documents

Design Files


2 software files

  • BSPs and Device Drivers

    TJA11xx Linux driver for IEEE 802.3 Clause 45 managed PHYs

  • BSPs and Device Drivers

    XJA11XX Ethernet Phy Real Time Drivers AUTOSAR 4.4 (ISO26262) License

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

1 engineering service

To find a complete list of our partners that support this product, please see our Partner Marketplace.


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