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MathStar transceiver provides interconnection extensions

Posted: 27 Mar 2002 ?? ?Print Version ?Bookmark and Share

Keywords:ms2430? xaui transceiver? xaui to xaui transceiver? mathstar? xaui?

The MS2430 from MathStar Inc. is claimed to be the first XAUI-to-XAUI transceiver which provides interconnection extensions, eliminating the need for two XGXS blocks used in XENPAK modules and backplanes.

The device implements the PCS and PMA functions for IEEE 802.3ae 10GBase-LX4 applications, and can also be used as a XAUI repeater in backplane applications for distances up to 60 inches. It supports an 8B/10B encoding/decoding scheme and four differential Tx/Rx pairs at 3.125Gbps.

Typical 10GBase-LX4 modules utilize one XAUI port to provide connectivity to the line card via a hot-pluggable connection, while the second XAUI interface connects to the PMD components inside the module. The MS2430 incorporates both of these functions giving two complete transceivers in one bidirectional device.

The MS2430 is housed in a 147-pin BGA package measuring 12-by-12mm. Manufactured using a 0.185m CMOS process, the transceiver operates from 3.3V and 1.8V power supplies, and features lane-by-lane synchronization, lane alignment, and a two-wire I?C external EEPROM interface to support XENPAK non-volatile registers.

The device also includes programmable transmit pre-emphasis that allows designers flexible control for different configurations of the system and optical interfaces.

The MS2430 is priced at $99 each in quantities of 1,000 units.





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