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NetLogic hits 1V core in TCAM search engines

Posted: 02 Feb 2004 ?? ?Print Version ?Bookmark and Share

Keywords:netlogic microsystems? network search engine? nse? nse5000? integrated device technology?

NetLogic Microsystems Inc. has released a network search engine (NSE) device with a core voltage of 1V, "a leap that will lead to big power savings over other devices in NetLogic's NSE5000 family," the company said.

While Integrated Device Technology and Cypress Semiconductor remain in front in NSEs, NetLogic has continued to push the performance of its ternary content addressable memory-based search engine devices. Now with the NSE5512GLQ device, the company is attacking power consumption head on.

The NSE5000 family is developed using a 130nm process technology. The first members of the family used a 1.2V core, but that's been pushed into the 1V range with the 5512GLQ, and typical power dissipation has been lowered to the 5W range. "This is a 30 percent drop in power over our 1.2V parts," said Martyn Humphries, VP of marketing at NetLogic.

Like other members of the NSE5000 family, the 5512GLQ comes with two LA-1 interfaces (each clocked at 250MHz) that allow the search engine to be hooked up to Intel's IXP2400 and IXP2800 network processors, as well as to upcoming network processors from Applied Micro Circuits Corp. (AMCC). The chip also provides a 66MHz interface for a general-purpose CPU as well as a 133MHz interface for a data SRAM device.

The NSE5512GLQ provides a dual-search capability to maximize bus efficiency during key exchanges. It also offers database parity scan for soft-error issues, the company said.

The 5512GLQ can support as many as 512,000 IPv4 and 128,000 IPv6 routing entries. It is software-compatible with other NSE5000 devices and with other search engine products in NetLogic's NSE4000 family. The search engine is available now and comes in a 900-ball, 31-by-31mm FCBGA. The device is priced at about $300 each in sample quantities.

- Robert Keenan

EE Times

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