VSC3140 查看數據表（PDF） - Vitesse Semiconductor
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VSC3140 Datasheet PDF : 2 Pages
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3.6Gb/s 144x144 Asynchronous Crosspoint Switch
Physical
Layer
Products
VSC3140
Product Brief
Features:
• Per Channel Programmable
Input Equalization
• Per Channel Programmable
Output Drive Levels
• On Board PRBS Generator/
Detector
• Parallel and Serial Programming
Modes
• Secondary Serial Access Port
for Configuration and Monitoring
• Non-blocking Architecture with
Broadcast and Multicast
Modes
• Soft Power Down for Unused
Channels
• Boundary Scan Support for
Data I/O
• Integrated Temperature
Sensor/Alarm
• On-chip Input and Output
Terminations
Benefits:
• 144x144 Inputs and Outputs
Allow Creation of 3-stage Clos
Switch Fabrics of up to 10368 x
10368 Array Providing up to 37
Terabits of Data Throughput
• Programmable Integrated
Signal Equalization (ISE) Func-
tion Improves Output Jitter and
Multi-pass Performance, Re-
ducing the Need for Inter-stage
Retimers in Multi-stage Switch
Fabrics
General Description
The VSC3140 is a 144x144 asynchro-
nous crosspoint switch, designed to
carry broadband data streams.The fully
non-blocking switch core is pro-
grammed through a multi-mode port in-
terface that allows random access pro-
gramming of each input/output port.
Each data output can be programmed
to connect to one of the 144 inputs. The
signal path is unregistered and fully
asynchronous, so there are no restric-
tions on the phase, frequency, or sig-
nal pattern on any input. Each high-
speed output is a fully differential
switched current driver with on-die te
minations for maximum signal integrit
A multi-mode, programming interface i
provided that allows commands to b
sent as serial data or multiplexed pa
allel data. Unused channels may b
powered down to allow efficient use o
the switch in applications that requir
only a subset of the channels. A sec
ondary serial access port allows asyn
chronous readback and configuratio
control to take place while the primar
programming port is in use.
Applications:
• DWDM Platform
• Core and Edge Router
• Storage Area Network
• Wavelength Routers
• Digital Cross Connect
• Optical Cross Connect
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