Product Features
• Eight 10BASE-T/100BASE-TX/1000BASE-T Gigabit Ethernet (GbE) transceivers in a single fully integrated 90-nm CMOS chip
• Reverse MDI capability
• Low power: 500 mW per port
• SGMII and SerDes MAC interface options
• Internal 100Ω twisted-pair termination resistors
• Supports 10/100/1000BASE-T and 100BASE-FX on copper interface
• Enhanced LED driver modes
• Fully compliant with IEEE 802.3, IEEE 802.3u, and IEEE 802.3ab standards
• Line-side loopback
• Low EMI emissions
• Hardware-accelerated CableChecker™ diagnostics
• Robust cable-sourced electrostatic discharge (CESD) tolerance
• Support for jumbo packets
• IEEE 1149.1 (JTAG) and 1149.6 (AC-JTAG) boundary scan
• Ethernet@Wirespeed™ and Super-Isolate mode support
Product BENEFITS
• Energy efficient, low-cost, and low-power octal-port integration enables single-row, high-port density switches
• Ability to reverse MDI, easing board design and simplifying layout in high port density switch designs
• Low-cost solution for unmanaged switch applications
• Lowers system BOM cost and simplifies system design
• Internal 100Ω twisted-pair termination resistors eliminate need for external resistors, saving eight resistors per port
• Provides compatibility with IEEE standard devices operating at 10 Mbps, 100 Mbps, and 1000 Mbps at half-duplex and fullduplex
• Eases system-level debug
• Enables use of low-cost magnetics, even in high-density (48+) designs
• CableChecker characterizes cable plant condition and immediately indicates cabling issues
- CableChecker detection of cable plant impairments
- Prevents erroneous equipment return due to bad cable plants
- Prevents manufacturing fallout due to bad cable plants
• Operates with larger packets for wider range of packetprotocol support and improved efficiency
• Ease of manufacturing with JTAG support, simplified power supply, and multiple MAC interfaces
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