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
50Ω Output Source Termination
100Ω 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 high-
speed signals are present. The fully broadband, non-
blocking 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
©2003 Vitesse Semiconductor Corporation
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