Intranet Solutions

New Texas Instruments Single-Chip Switching Devices Bring Performance and Cost Advantages to Small Offices and Gigabit Networks

ThunderSWITCH II TNETX4080 - A Low-Cost Fast Ethernet Device with a Flexible Feature Set

ThunderSWITCH II TNETX4020 - Gigabit Device Capable of Serving as the Uplinks to TNETX4090-Based Systems or as the Building Blocks for a Pure Gigabit Switch

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• Highly integrated 10/100-Mbps single-chip solution
• Integrated address lookup engine to support 1024 Media Access Control (MAC) addresses
• Integrated Network Management port operating at 100-Mbps
• High-speed interface to low-cost concurrent RDRAM
• Internal local packet switching - allows a packet to be internally switched without the need for external memory transfer thereby minimizing the overall switch latency
• Full or half-duplex modes of operation on all ports
• Link aggregation capability - enables port trunking by combining up to eight 10/100-Mb ports into a single logical channel for those high activity switch-to-switch or switch-to-server connections
• Standards compliance, including IEEE 802.3x, 802.1q and 802.1p improves overall network performance and assures interoperability with other equipment
• Supports on-chip Management Information Base (MIB) for storing per port statistics including Remote Monitoring (RMON)
• Integrated EEPROM interface for auto-configuration in unmanaged applications
• 2.5V core power with 3.3V-tolerant input/output interfaces to reduce power consumption