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Product Descriptions

The Broadcom? BCM5418X is a fully integrated quad (BCM54140) and octal (BCM54180, BCM54182, and BCM54185) gigabit transceiver family. The PHY performs all of the physical layer functions on standard Category 5 UTP cable for 10BASE-T, 100BASE-TX, and 1000BASE-T. When in Fiber mode, the PHY performs all the physical layer functions for 100BASE-FX, 1000BASE-X, and SGMII-Slave (BCM54140/BCM54185 only). 

The BCM5418X device family is based on proven digital-signal processor technology from Broadcom, combining digital adaptive equalizers, ADCs, phase-locked loops, line drivers, encoders, decoders, echo cancelers, crosstalk cancelers, and all the other required support circuitry integrated into a single, monolithic CMOS chip. 

Designed for reliable operation over worst-case Category 5 cable plants, a BCM5418X device automatically negotiates with any transceiver on the opposite end of the wire to agree on an operating speed. The PHY can also evaluate the condition of the twisted-pair wiring to ensure that the wiring can support operation at gigabit speeds, and detect and correct most common wiring problems. The device continually monitors both the wiring and the opposing transceiver and alerts the system if it detects potential problems with reliable operation.

Products Features

? SGMII interface (BCM54140/ BCM54180 only) 

? QSGMII interface (BCM54140/ BCM54182/BCM54185 only) 

? Support for the following copper line interfaces: 1000BASE-T, 100BASE-TX, and 10BASE-T 

? Support for the following fiber line interfaces: 1000BASE-X, 100BASEFX, and SGMII-Slave (BCM54140/ BCM54185 only) 

? Energy Efficient Ethernet (EEE) IEEE 802.3az 

? Support for native EEE MACs 

? Support for legacy non-EEE MACs using AutogrEEEn? mode 

? IEEE 1588v2-compliant 

? One-step or two-step clock 

? On-chip timestamping 

? ITU-T Y.1731 delay measurement support 

? On-chip time stamping 

? One-way and two-way in both directions 

? Synchronous Ethernet support 

? Ethernet@WireSpeed? 

? Cable plant diagnostics that detect cable plant impairments

Products Applications

? High-density gigabit Ethernet switches and routers 

? Industrial Ethernet

Products Benefits

? The industry’s first 28-nm gigabit PHY with low power consumptionand Energy Efficient Ethernet that enhances thermal performance and

reduces the system operating cost

? Comprehensive IEEE 1588 PTP feature set provides accurate timing synchronization and minimizes CPU intervention for the timestamping

? Pin-to-pin compatible to Broadcom BCM5419X MACsec gigabit PHYs

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