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VSC3172XJN-02 Analog & Digital Crosspoint ICs 6.5 Gbps 72x72 Crosspoint Switch Pb-Free
1. FEATURES
6.5 Gbps 72 × 72 strictly nonblocking switch matrix with multicast
and output striping programming modes
Fourth-generation input signal equalization (ISE) with programmable
control globally or on a per-channel basis
Adjustable output pre-emphasis EQ
Differential current mode logic (CML) data output driver
Protocol-independent switching and data transmission
10-W typical power dissipation
33 mm × 33 mm, 1.27 mm pin pitch, 613-pin FCBGA package Parallel
and serial programming modes for configuration and monitoring
Software control to optimize power dissipation
2.BENEFIT
468-Gbps aggregate bandwidth in a single chip for high-density
network storage, FC, blade server, and Ethernet systems
Addresses system-level and board-level signal integrity (SI) and
intersymbol interface (ISI) jitter issues
EQ and drive flexibility for driving boards, cables, and circuit
traces Convenient I/O flexibility for interfacing with multiple
standards
Can be used with latest storage, Ethernet, and networking standards
Low 140-mW per-channel power dissipation`
Layout-friendly package and pinout for easier PCB design
Programming and control convenience
Controlled power reduction for unused ports
3.APPLICATIONS
Core and metro transport
Enterprise` Blade servers
High-speed automated test equipment
Broadcast video systems
Storage, Ethernet, and networking equipment
4.BLOCK DIAGRAM
5.GENERAL DESCRIPTION
The VSC3172 is a 72 × 72 asynchronous crosspoint switch, designed
to carry broadband data streams. The fully nonblocking switch core
is programmed through a multimode port interface that allows random
access programming of each input and output port. A high degree of
signal integrity is maintained throughout the device by fully
differential signal paths. Programmable input EQ and output
pre-emphasis settings enable maximum customization for the
application. Each data output can be programmed to connect to one
of the inputs. The signal path is unregistered and fully
asynchronous, so there are no restrictions on the phase, frequency,
or signal pattern on any input.
Each high-speed output is a fully differential switched current
driver with on-die terminations for maximum signal integrity. Its
multimode programming interface allows commands to be sent as
serial data or as multiplexed parallel data. Core programming can
be sequential on a port-by-port basis, or multiple program
assignments can be queued and issued simultaneously.
Unused channels may be powered down to allow efficient use of the
switch in applications that require only a subset of the channels.
Power-down is enabled in software by programming individual unused
outputs with a power-down code.
6.BACKPLANE APPLICATION
7.SPECIFICATION
6.5-Gbps NRZ per-channel data rate
2.5-V power supply (2.5-V or 3.3-V program port power supply)
2.5-V or 3.3-V CMOS TTL-compatible I/O
Differential CML I/O with integrated termination impedance
0 °C to 85 °C operating temperature range
8.Why choose us?
100% new and originao with Advantage price
High efficiency
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