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| PHYSICAL LAYER PRODUCTS VSC3104, VSC3108 The VSC3104 is a 4x4 crosspoint switch with integrated equalization The VSC3108 is a 8x8 crosspoint switch with integrated equalization BENEFITS: Enables Operation at Higher Data Rates and/or Improves Operating Margins Controls Difficult Signal Integrity Problems Asynchronous Operation Allows Application Across any Data Format and Speed. Low Skew Enables Precision Fan-out Buffering S P E C I F I C AT I O N S : 0 to 6.5 Gb/s Data Rate 20ps Added Jitter 10ps Channel to Channel Skew 2.5V Power Supply with a 3.3V Option 50ps Output Rise/Fall Time A P P L I C AT I O N S : Backplane Driver/Receiver Loop-back Switch Protection Switching Fan-out Buffering Cable Driver/Receiver Wire Re-ordering Input Signal Equalization (ISE) Switch Core Output Level Control and Pre-Emphasis Switch Configuration Register Programming Interface 50 Output Source Termination 100 Input Differential Termination 250mW Per Channel Power Dissipation 100mV - 2400mV Input Signal Range 550mV - 1100mV Programmable Output Swing VSC3108 BLOCK DIAGRAM: F E AT U R E S : A[7:0] VSC3108 Y[7:0] VSC3108 High Data Rate Support, up to 6.5 Gb/s Integrated Equalization Low Cost Compact Form Factor Single Supply Operation Highly Programmable Robust Operation Across Voltage and Temperature Fully Asynchronous Operation RESET ADDR[5:0] DATA[3:0] PRBS_OUT Excellent Crosstalk and Noise Immunity WR RD PRBS Generator/Detector PRBS_ERR PRBS_IN PRBS_CLK PB-VSC3104,3108-001 . VSC3104,VSC3108 The VSC3104 is a 4x4 crosspoint switch with integrated equalization The VSC3108 is a 8x8 crosspoint switch with integrated equalization GENERAL DESCRIPTION: The VSC3104/3108 are multipurpose switching devices that are designed to enable next generation backplane designs, and extend the life of existing backplanes. The integrated equalization capabilities at both the input and output effectively absorb the effects of signal loss through copper interconnect, either printed circuit board traces, or cable. The function of the VSC3104/3108 is simple, yet powerful, creating multiple applications just about anywhere highspeed signals are present. The fully broadband, nonblocking and multi-cast capable switch core allows the VSC3104/3108 to be configured as a 1:4/1:8 fan-out buffer with very low channel-channel skew, or as a 4/8 channel signal reconditioner. S I G N A L C O N D I T I O N I N G A P P L I C AT I O N : Lossy Backplane ASIC 3108 3108 ASIC Cable S I G N A L S W I T C H I N G / R O U T I N G A P P L I C AT I O N : East Txcvr VSC3104 Loopback/ Failover switch Line Processing West 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 741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com (c)2003 Vitesse Semiconductor Corporation |
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