NXP Semiconductors TJA1121 MACsec Ethernet PHY Transceiver
NXP Semiconductors TJA1121 MACsec 1000BASE-T1 Ethernet PHY Transceiver provides an efficient HW-based solution for MACsec at a 1Gbps line rate and addresses the security concerns for future networks. 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 a compact package HVQFN36 (6mm x 6mm) for space-constrained use cases.
NXP Semiconductors TJA1121 is designed according to ISO 26262 to meet ASIL B and complies with all state-of-the-art conformance test specifications, 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.
Features
- IEEE802.1AE-2018 MACsec (1Gbps line rate)
- IEEE802.3bp compliant 1000BASE-T1 PHY
- AEC-Q100 Grade 1
- HVQFN 36-pin package (6mm × 6mm)
- RGMII (TJA1121A) or SGMII (TJA1121B)
- OPEN Alliance TC-10
- ISO 26262, ASIL B functional safety
- 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
- Open Alliance TC-12 advanced PHY features
- Built-in self-test (BIST)
- Real-time monitoring of link stability and data quality
Applications
- Automotive radar solutions
- Automotive zone controller
- V2X communications
Videos
Block Diagram
Development Tools
NXP Semiconductors Mga TJA11x-EVB-KIT Ethernet PHY Evaluation Kit
Uses a common board design that consists of two parts.
NXP Semiconductors SJA1110-MGS-EVM Evaluation Board
Compact, cost-effective multi-gig secure evaluation board, ideal for automotive Ethernet use cases.
Inilathala: 2025-02-24
| Na-update: 2025-10-15