Bcm89890 Info

Broadcom BCM89890 is a specialized Ethernet transceiver (PHY) part of the BCM8989X family

For more exhaustive technical documentation, you can visit the official Broadcom BCM89890 Product Page. bcm89890

Final Thought

We’re going to look back at 100BASE-T1 PHYs like the BCM89890 the same way we look at the CAN transceiver of the 1990s—as the unheralded hero that made the whole revolution possible. It’s not flashy, but without it, your car’s 17 cameras and 5 screens are just a pile of expensive glass and silicon. Testing & Development: Used in devices like the

Testing & Development: Used in devices like the optoLAN BCM89890 for digital optical transmission during EMC functional tests. It is specifically designed to operate over a

What is the BCM89890?

The BCM89890 is a Broadcom® Automotive Qualified 100BASE-T1 Ethernet Physical Layer Transceiver (PHY). It is specifically designed to operate over a single unshielded twisted pair (UTP) cable, which significantly reduces wiring weight and cost compared to traditional 100BASE-TX (which requires two pairs). This single-pair technology is standardized under the IEEE 802.3bw standard, often referred to as BroadR-Reach® technology.

designed for next-generation vehicle architectures. It is notable as one of the first transceivers to comply with the IEEE 802.3ch standard

, recognized as the world's first IEEE 802.3ch compliant multi-gigabit automotive Ethernet device. It is designed to handle high-bandwidth data demands for modern vehicles, including advanced driver-assistance systems (ADAS) and infotainment. Core Specifications Standards Compliance : Fully compliant with the IEEE 802.3ch standard, supporting speeds of 2.5G, 5G, and 10G over a single shielded twisted-pair (STP) cable. : Integrates 802.1AE MACsec