onsemi NCN26000 Ethernet 10BASE-T1S Transceivers
onsemi NCN26000 10Mb/s Industrial Ethernet 10BASE-T1S Transceivers are IEEE 802.3cg-compliant Ethernet Transceivers (PHY) developed for industrial multi-drop Ethernet. The NCN26000 offers all physical layer features required to transmit and receive data over a single unshielded twisted pair. The onsemi NCN26000 transmits to existing half-duplex 10Mb/s-capable Ethernet MAC controllers through a standard MII interface.
Features
- 10BASE-T1S - IEEE 802.3cg compliant
- Data rate of 10Mb/s, half−duplex
- 3.3V supply
- 5mm x 5mm QFN32 package
- Standard Media Independent Interface (MII) connects to any CSMA/CD half-duplex capable MAC exposing the CRS and COL pins
- Physical Layer Collision Avoidance (PLCA) through local configuration for collision-free operation on a shared medium (Multi-Drop)
- Configuration and monitoring using a standard MII Management Interface (also known as MDIO)
- Partial configuration during the boot sequence using pull resistors on dedicated pins when the device is booting
- Enhanced noise immunity mode, allowing communication at noise levels exceeding IEEE 802.3cg specifications
- Supports >8 nodes over >25m UTP cable
- Fast startup of less than 100ms
- Support for bootstrap in isolated mode
Applications
- Industrial automation
- Sensor interfacing
- Home/building control
- Security and field instrumentation
Block Diagram
Associated Board
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Published: 2024-04-03
| Updated: 2025-12-04