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Switches aim at high-speed networking, ATE apps

Posted: 10 Apr 2008 ?? ?Print Version ?Bookmark and Share

Keywords:clock and data management? high-speed networking? ATE?

ON Semiconductor has expanded its clock and data management portfolio with the introduction of three new devicesthe NB7VQ1006M, the NB4L7210 and the NB4N7132for high-speed networking and ATE applications. These devices deliver new high frequency equalization functions and cross point switches, said the company.

"ON Semiconductor is continuing to expand it's leadership in high performance clock and data distribution with the introduction of three ultra low jitter products targeting high speed networking and ATE applications," said Dan Huettl, ON Semiconductor general manager of the advanced logic division. "Next generation systems require improved performance and increased design flexibility at lower voltage levels. We continue to provide customers with improved features at competitive prices that deliver the highest performance and best quality."

The NB7VQ1006M is the newest member of ON Semiconductor's GigaComm family. It is a high performance equalizer that combines signal loss compensation circuitry with an integrated 1:6 Common Mode Logic (CML) output fanout. It is the first of a new 1.8V family of devices capable of interfacing to the latest 1.8V FPGAs and ASICs. This device enables equalization across 10 inches of FR4 transmission lines up to 10Gbit/s or 7.6GHz. The operating temperature range is specified from -40C to 85C and across voltages from 1.71V to 2.625V to support lower voltage 1.8V and 2.5V operations. Output-to-output skew is 10ps, typical with RMS clock jitter of 0.2ps, typical.

The NB4L7210 is a clock or data 2x10 cross point switch, which can be used to replace several smaller muxes or cross point switches up to 2Ghz. This device offers the flexibility of programming one of the two inputs to be independently routed to each of the 10 differential output pairs. A 10bit SDI programs each output multiplex to asynchronously select either input clock, which reduces pin count and allows flexibility of design for system engineers. The inputs accept LVCMOS, LVTTL, LVPECL, CML, or LVDS signals. The integrated phase noise from 12kHz to 20MHz is 100fs at 622MHz, typical.

The NB4N7132 is a high performance serial link replicator which enables serial loop replication and serial loopback control commonly required in Fibre Channel, GbE, HDTV and SATA systems for data rates up to 1.5Gbit/s. Other popular applications include routing between internal and external connectors in Host Bus Adaptors, and hot-pluggable links between redundant switch fabric cards.

The NB7VQ1006 is packaged in 24 pin QFN at a budgetary price of $13. The NB4L7210 is packaged in the QFN-52 at a budgetary price of $12.60 per unit. The NB4N7132 is packaged in the TSSOP-28 at budgetary price of $3.67 per unit.

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