Product category: Communications ICs (Wired)
News Release from: National Semiconductor | Subject: DP83016
Edited by the Electronicstalk Editorial Team on 25 April 2002
16-port switch on a chip for Gigabit
Etherenet
National Semiconductor has entered the Gigabit Ethernet switch market by unveiling the industry's highest performance and most cost-effective 16-port switch.
National Semiconductor has entered the Gigabit Ethernet switch market by unveiling the industry's highest performance and most cost-effective 16-port switch to bring improved productivity to enterprises and profitability to service providers This latest networking innovation from National is a complete LAN gigabit switch solution with all the building blocks from the company's analogue portfolio, offering the lowest cost per port and lowest power consumption with highest gigabit performance over existing CAT-5 copper cabling
This article was originally published on Electronicstalk on 5 Jan 2001 at 8.00am (UK)
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This is the first in a family of National's Ethernet switch solutions that will include higher port densities and innovations such as inline power and remote environmental monitoring.
"Within enterprise the fastest growing segment is LAN switching", said Steve Rago, principal analyst of networking and optical practice at iSuppli Corp, a market research firm.
"National Semiconductor's entry into the gigabit ethernet switch market is definitely the right product at the right time.
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This entry should enable National to gain market share in this high growth segment".
iSuppli in its latest networking report estimated that worldwide revenue for the enterprise LAN switch and hub market is expected to reach $14 billion this year, and increase to $20 billion in 2006.
Aimed at desktop and workgroup switch applications, National's new 16-port Gigabit Ethernet switch, the DP83016, is a single-chip, full-featured layer-2 switch-on-a-chip with integrated management interfaces.
Optimised for cost-effective 16-port gigabit Ethernet switch systems, the new device requires only five additional ICs for a complete 16-port gigabit switch reference design developed on six layers of PCB board, which translates to dramatic cost savings.
The DP83016 switch enables an easy upgrade to a 24-port switch system with only one additional switch IC.
"National Semiconductor is a leader in Ethernet innovation.
Our entry into the gigabit switch market draws upon all of our technologies to deliver the most cost-effective and complete solution to our customers", said Michael Noonen, vice president of wired communication division at National Semiconductor.
Featuring 32Gbit/s internal switching bandwidth and 24 million packets per second forwarding rate, the DP83016 provides nonblocking wire-speed gigabit performance on all ports and supports both managed and unmanaged operations.
Typical power dissipation of the DP83016 switch is only 0.4W per port, less than half of competing solutions on the marketplace.
The DP83016's 256Kbyte on-chip frame buffer and memory allocation algorithm provides the most optimum solution without the need for any external memory.
Additionally, the DP83016 supports programmable higher layer classification and prioritisation to enable enhanced quality of service (QoS) support for real-time applications such as voice-over-IP (VoIP).
National's DP83016 interfaces directly to the National's PHY solutions (the DP83864 Quad GigPHYTER) layer through the IEEE 802.3 standard media independent interface (MII), the IEEE 802.3ab gigabit media independent interface (GMII), reduced gigabit GMII (RGMII) interface, ten bit interface (TBI) as well as reduced ten bit interface (RTBI).
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