VSC7174 specifications: 37.5 mhz reference clock or crystal optional 128kb serial flash rom for code store 3.3v and 2.5v supply, 2.0w (typical) 256-pin, 17 mm pbga package applications: raid-on-motherboard (romb) for high-end pcs and servers standalone serial ata host bus adapters network attached storage (nas) systems raid protected disk arrays VSC7174 block diagram: features: four serial ata channels at 1.5 gb/s serial ata 1.0 compliant serial ata ii queuing specification compliant pci-x 1.0a compliant (64 bits wide at 66, 100 and 133 mhz) pci 2.2 compliant (64 bits wide at 33 and 66 mhz) software-compatible master/slave mode parallel ata compatibility performance-oriented master/master mode plug-n-play support hot swappable activity led drivers wide swing mode for driving backplanes spread-spectrum clock generation integrated link/transport layer from apt technology, inc. quad serial ata host bus adapter datacom products pb-VSC7174-001 64/133 pci / pci-x interface dual port fifo & i/o transport engine serial ata transport & link layer rx tx rx serdes serdes tx rx serdes tx rx serdes tx 128kb serial flash eeprom (optional)
for more information on vitesse products visit the vitesse web site at www.vitesse.com or contact vitesse sales at (800) vitesse or send email to: sales@vitesse.com ?2002 vitesse semiconductor corporation 741 calle plano camarillo, ca 93012, usa t el: +1 805.388.3700 fax: +1 805.987.5896 www.vitesse.com the VSC7174 is a single chip pci/pci-x to serial ata host bus adapter that provides a robust, high-performance interface to serial at a disk drives, cd-roms, dvd-rom's and t ape facilities. the device supports 8b/10b encoded data at serial ata v1.0 operating speeds of 1.5 gb/s - equivalent to 150 mb/s of raw transfer performance; in addition, the VSC7174 can deliver burst transfer rates of up to 1064 mb/s. the VSC7174 is driver compatible with existing operating systems supporting parallel ata interfaces C providing an easy migration path for existing ide customers. the ease-of-use, flexibility, superior performance, and attractive price of the VSC7174 make it an ideal choice for your serial ata host controller needs. contact your local vitesse sales representative for future serial at a products. fault tolerant disk array subsystem the VSC7174 is finding widespread use in disk arrays where redundant embedded nas heads and raid controllers use multiple VSC7174s to connect to serial ata drives over high speed backplanes at 1.5 gb/s. general description: VSC7174 application example: quad serial ata host bus adapter backplane multiple protocols fibre channel iscsi ethernet infiniband mud flap board as a 2:1 fail over switch raid / nas controller VSC7174 hba VSC7174 hba host interface #2 redundant raid / nas controller card raid / nas controller VSC7174 hba VSC7174 hba host interface #1 raid / nas controller card drive disk array
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