Camarillo, Calif. - Vitesse Semiconductor Corp.'s VSC7166, a 10-Gbit/second very short-reach optical interconnect IC, integrates transmitter and receiver functions. The IC interfaces Sonet OC-192 framers with parallel optical modules, letting designers connect networking equipment in close proximity. The part converts 16-bit, 622-MHz Sonet-framed data to twelve 1.244-Gbit/s serial data streams for transmission of 10-Gbit/s data over 300 meters or less. Designers can lower costs by using VCSEL laser technology. Powered by 2.5- and 1.8-V supplies, the VSC7166 comes in a 256-pin, 27-mm BGA and sells for $70 in lots of 10,000.
David Patterson, known for his pioneering research that led to RAID, clusters and more, is part of a team at UC Berkeley that recently made its RISC-V processor architecture an open source hardware offering. We talk with Patterson and one of his colleagues behind the effort about the opportunities they see, what new kinds of designs they hope to enable and what it means for today’s commercial processor giants such as Intel, ARM and Imagination Technologies.