VSC3139SH Vitesse Semiconductor Corp., VSC3139SH Datasheet

VSC3139SH

Manufacturer Part Number

VSC3139SH

Description

Manufacturer

Vitesse Semiconductor Corp.

Datasheet

1.VSC3139SH.pdf (46 pages)

Specifications of VSC3139SH

Package

BGA

Date_code

09+

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The VSC3139 is a 72 x 72, asynchronous, crosspoint switch. It is designed to carry broadband data streams in a

variety of applications. Its fully non-blocking switch core is programmed using a multi-mode port interface that

allows random access programming of each I/O port. A high degree of signal integrity is maintained throughout the

device by virtue of its fully differential signal paths.

Each data output can be programmed to connect to any one of the 72 inputs. The signal path is unregistered and fully

asynchronous, so there are no restrictions on the phase, frequency, of signal pattern on any input. Each high-speed

output is a fully differential, switched current driver with on-die terminations for maximum signal integrity. Data

inputs are terminated on die using 100Ω resistors between true and complement inputs with a common connection to

an internal bias source that facilitates AC coupling to the switch inputs.

The VSC3139 provides a multi-mode, programming interface that allows commands to be sent as either serial data or

multiplexed parallel data. Core programming can be sequential on a port-by-port basis, or multiple program

assignments can be queued and issued simultaneously using the CONFIG bit. By default, the device’s INIT feature

resets the entire switch to a “straight-through” configuration (A0 to Y0, A1 to Y1, and so on); alternatively, the user

can configure INIT to initialize to any other configuration.

G52415 Revision 4.1

October 9, 2003

EATURES

ENERAL

72 input by 72 output crosspoint switch

3.6Gb/s Non-Return-to-Zero (NRZ) data band-

width

Global and per-channel programmable Input Sig-

nal Equalization (ISE) and output drive levels

On-board Pseudo-Random Bit Sequence (PRBS)

Generator/Detector

2.5/3.3V Complimentary Metal-Oxide Semicon-

ductor/Transistor-Transistor Logic (CMOS/TTL)

control Input/Output (I/O)

Parallel and serial programming modes

Differential Current Mode Logic (CML) data out-

put driver

Soft power-down for unused channels

Secondary access port for configuation and

monitoring

Boundary scan support for data I/O

125MHz multimode program port

ESCRIPTION

Tel: (800) VITESSE • FAX: (805) 987-5896 • E-mail: prodinfo@vitesse.com

Internet: www.vitesse.com

3.6Gb/s 72 x 72 Asynchronous Crosspoint Switch

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PPLICATIONS

Multicast and “striping” programming modes

On-chip input and output terminations

Single 2.5V supply, 3.3V option for control port

9W/13W typical power in Nominal and High

Drive mode

Integrated temperature sensor/alarm

High performance, ball-grid array (BGA) package

Large, 3-stage (Clos) fabrics of up to 2880 x 2880

I/O ports with up to 10 terabytes per second (Tb/s)

data throughput

Dense Wavelength, Division Multiplexing

(DWDM) switches

Wavelength routers

Storage Area Network (SAN) switch fabrics

Packet-switching fabrics

Data Sheet

VSC3139

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