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NETWORK PRODUCTS
VSC3204,VSC3208,VSC3212
4, 8 and 12 Port 155 Mbps to 4.25 Gbps Crosspoint Switches with CDR
A P P L I C AT I O N S : 4Box-to-box Communications 4Line Driver or Receiver 4Backplane Signal Fanout, Driver or Receiver 4Cable Signal Fanout, Driver or Receiver
S P E C I F I C AT I O N S : F E AT U R E S : 4155 Mbps to 4.25 Gbps Data Bandwidth 4Per Channel Clock/Data Recovery 4Two-wire Serial Programming BLOCK DIAGRAM: 4User Programmable Input and Output Equalization 4Single Reference Clock with Per Channel Clock Dividers 4Protocol Transparent Operation 4Per Channel Pattern Generation and Detection [for Channel Diagnostics]
Control Signal
I2C/SPI Interface
4Protocol Transparant 155 Mbps to 4.25 Gbps Data Rate 44-port (VSC3204), 8-port (VSC3208) and 12-port ( VSC3212) devices with CDR 4Two Wire Serial Interface and Single Ref Clock
Mode Select MUX
BENEFITS: 4Supports Latest High Speed Protocols Including SAS, SATA, Gigabit Ethernet and Fibre Channel 4Addresses Random Jitter Clean-up 4Simple Operation and Control 4Multi-rate Operation on Same Chip
Input SerDes
VSC3108 Compatible Register Map
Expandable, Page-Based Register Map
Ref. Clock
Clock Generator
Register Map Select
Mode
Switch Core PRBS Det. FIFO PRBS Gen. Output SerDes
PB-VSC3204/08/12-001
VSC3204,VSC3208,VSC3212
4, 8 and 12 Port 155 Mbps to 4.25 Gbps Crosspoint Switches with CDR
GENERAL DESCRIPTION: The VSC32xx series is a set of CDR crosspoint switches designed to regenerate and switch any non-return to zero (NRZ) serial data stream. With a single reference clock input, the VSC32xx switches operate at binary multiples of a base data rate between 155 Mbps and 4.25 Gbps. A fully nonblocking, multicast architecture allows the VSC32xx to be user-configured via simple two-wire or four-wire serial interfaces for a broad range of applications. A high degree of signal integrity is maintained by means of configurable input and output equalization. The integrated equalization circuits are optimized to compensate for deterministic jitter that often results from lossy cabling and printed circuit board traces. These devices are tailored for high-speed serial signals used in serial copper interconnect applications such as multi-connector backplanes, box-to-box cabling as well as basic signal clean up throughout high speed systems.
A P P L I C AT I O N D I A G R A M S :
Fiber-induced Jitter Recovered Data
Signal Conditioning in Fiber Transmission
Fiber Optic Transceiver
Fiber Optic Transceiver
VSC32xx
Fiber Optic Transceiver Fiber Optic Transceiver
VSC32xx
Data path of unknown characteristic (Rj & Dj) up to 0.4UI of total jitter
Recovered Data
Fiber-induced Jitter
Signal Switching / Routing Application
Txcvr
VSC3204 Loopback/ Failover Switch Line Processing
Txcvr
For more information on Vitesse Products visit the Vitesse web site at www.vitesse.com or contact Vitesse Sales at (800) VITESSE or sales@vitesse.com
(c)2004 Vitesse Semiconductor Corporation Vitesse, ASIC-Friendly, FibreTimer, TimeStream and Snoop Loop are trademarks of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders. Vitesse Semiconductor Corporation ("Vitesse") retains the right to make changes to its products or specifications to improve performance, reliability or manufacturability. All information in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time.
741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com

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