Safe Assure® (Functional Safety)
When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
TJA1121, MACsec Enabled ASIL B Compliant Automotive Ethernet 1000BASE-T1 PHY Transceiver
TJA1121 adds MACsec to NXP’s 1000BASE-T1 Automotive Ethernet PHY portfolio. It addresses the security concerns for future networks and provides an efficient HW based solution for MACsec at 1 Gbps line rate. To enable speed grade scaling for platform designs with and without MACsec, the TJA1121 is kept drop in compatible with TJA1103, TJA1104 and TJA1120. The device comes in compact package HVQFN36 (6 x 6 mm) for space constraint use cases.
TJA1121 complies with all state-of-the-art conformance test specifications and is designed according to ISO 26262 to meet ASIL B, providing enhanced monitoring and diagnostic features. Further, it integrates OPEN Alliance TC-10 compliant wake-up forwarding over the Ethernet data line. It supports shielded (STP) and unshielded twisted pair (UTP) cable applications.
Product Details
Features
Security
- IEEE802.1AE-2018 MACsec (1 Gbps line rate)
General
- IEEE802.3bp compliant 1000BASE-T1 PHY
- AEC-Q100 Grade 1
- HVQFN 36-pin package (6 × 6 mm)
- RGMII (TJA1121A) or SGMII (TJA1121B)
- OPEN Alliance TC-10
Optimized for Automotive Use Cases
- Functional Safety - ISO 26262, ASIL B
- IEEE1588v2 and 802.1AS-rev 2-step timestamping support
- Support for shielded and unshielded twisted-pair cable
- Enhanced integrated pulse shaping for low RF emissions
Diagnosis
- Open Alliance TC-12 Advanced PHY Features
- Built-in self-test (BIST)
- Real-time monitoring of link stability and data quality
Product Program
Product Longevity
Participating products are available for a minimum of 10 years. Designated participating products developed for the automotive, telecom and medical segments are available for a minimum of 15 years.
Related products
Buy/Parametrics
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Documentation
Quick reference to our documentation types.
2 documents
Compact List
Brochure (1)
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Automotive Ethernet Switches and PHY Transceivers Brochure[AUTO-ETHERNETBR]
Fact Sheet (1)
Design Resources
Hardware
Quick reference to our
board types.
1-5 of 7 hardware offerings
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Evaluation and Development BoardsEthernet PHY Evaluation Kit
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Evaluation and Development BoardsSABRE Development Boards for TJA11xx PHYs
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Evaluation and Development BoardsEvaluation Baseboard for TJA11xx PHYs
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Evaluation and Development BoardsSAF85xx Evaluation Kit with Antenna
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Reference DesignSAF8544 Pluto Sensor - Radar Reference Design
Software
Quick reference to our software types.
2 software files
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BSPs and Device Drivers
TJA11xx Linux driver for IEEE 802.3 Clause 45 managed PHYs
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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.