Bcm89890
Before the BCM89890, automotive Ethernet was largely capped at 1 Gbps. By moving to 10 Gbps over a single pair of wires, Broadcom has allowed manufacturers to reduce cabling weight and complexity while significantly increasing the "IQ" of the vehicle. Its combination of high throughput, low latency, and hardware-based security makes it a foundational component for the next generation of intelligent transportation.
The BCM89890 is the "engine room" of data transfer in several critical modern applications: bcm89890
As automotive transitions from 100 Mbps to 1000BASE-T1 (and eventually multi-gig over single pair), the BCM89890 will remain the workhorse for non-bandwidth-critical nodes. Its low deterministic latency and TC10 partial networking make it the go-to PHY for the —likely the most numerous Ethernet port type in a 2026 vehicle, outnumbering gigabit ports by a factor of 10:1. Before the BCM89890, automotive Ethernet was largely capped
: Features integrated 802.1AE MACsec with 128/256-bit AES encryption to protect against malicious cyber-attacks and ensure data integrity. The BCM89890 is the "engine room" of data