The Optical Link Card (OLC) is a high speed fiber optic data link developed for low cost computer interconnect applications Several versions of thls OLC family are now in volume production They incorporate a short-wavelength, CO-type laser source, high-density surface mount (SMT) packaging. and a novel technique to comply with worldwide laser safety regulations The current cards operating at 220 Mbls and 266 Mbls over 2 km of multimode optical fiber, provide compalibility with the emerging ANSI standard called Fiber Channel Future extensions. especially lo higher data rates, are being developed to meet the computer user's growing demand for higher bandwidth networking solutions
With a bandwidth of 21.6 GB/s, the Front Side Bus (FSB) of the Microsoft Xbox36OTM is one of the fastest, commercially available Front Side Bus interfaces in the consumer market. This paper explains the end-to-end system approach used in designing the bus that achieved volume production ramp 18 months after design start. The 90 nm SOI-CMOS CPU and 90 nm bulk CMOS GPU designs are described. The chip carrier, circuit board, and signal integrity analyses are described. The design approach used to achieve high volume, low cost, and short development time is explained.
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