Broadcom Single-port 5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX Ethernet CMOS Transceiver (Without Heat Spreader) - BCM84880B0KFEBG
The Broadcom BCM84880 is a single-port 5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX Ethernet CMOS transceiver.
The device performs all physical-layer functions for 5GBASE-T, 2.5GBASE-T, 1000BASE-T, and 100BASE-TX Ethernet on Category Cat5e, 6, or 6A twisted-pair cable.
The BCM84880 supports the USXGMII, XFI, 5000BASE-X, 2500BASE-X, and 1000BASE-X (SGMII) interface for connection to a MAC.
The BCM84880 is a highly integrated solution combining digital adaptive equalizers, ADCs, phase-locked loops, line drivers, encoders, decoders, echo cancelers, crosstalk cancelers, and all required support circuitry.
The BCM84880 features the Energy Efficient Ethernet (EEE) protocol. EEE enables the BCM84880 to auto-negotiate and operate with EEE-compliant link partners to reduce overall system power during low utilization of the link. Broadcom’s AutogrEEEn mode permits legacy systems to enjoy the power saving benefits of EEE.
The BCM84880 automatically negotiates an operating speed with any transceiver on the opposite end of the line.
The BCM84880 features Enhanced Cable Diagnostics, which detects common cable problems such as shorts, opens, and cable length.
Features
- Single-chip integrated single-port Ethernet transceiver-MAC to magnetics:
- 5GBASE-T 802.3bz
- 2.5GBASE-T 802.3bz
- 1000BASE-T IEEE 802.3ab
- 100BASE-TX IEEE 802.3u
- 5G NBASE-T spec.
- 2.5G NBASE-T spec.
- IEEE 802.3z
- IEEE 802.3az
- USXGMII, XFI. 5000BASE-X, 2500BASE-X, and 1000BASE-X (SGMII) MAC Interfaces
- 5G rate over USXGMII/XFI/5000BASE-X MAC interfaces
- 2.5G rate over USXGMII/XFI/2500BASE-X MAC interfaces
- IEEE 1588-2008 PTP version 2 (Time Stamp)
- IEEE fast retrain and link monitoring
- EEE on 5GBASE-T, 2.5GBASE-T, 1000BASE-T, and 100BASE-TX
- Trace matched output impedance
- Line-side loopback
- Low electromagnetic interference (EMI) emissions
- Enhanced cable diagnostics
- Support for jumbo packets up to 18 KB
- Detection and correction of pair swaps (MDI crossover), pair skew, and pair polarity
- Auto-negotiation with next page support
- IEEE 1149.1 (JTAG) and IEEE 1149.6 (ACJTAG) boundary scan support
- Low-power, 1.0V CMOS core
- 1.2V or 2.5V MDIO I/O, 1.8V CMOS I/O
- Device package: 11 mm × 11 mm BGA
Applications
- WiFi Access Point
- Broadband CPE
- Uplinks of Ethernet Switch
- Fronthaul and backhaul of Radio Access Network
- Industrial Ethernet
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