Datasheet > GX3246

GX3246

更新时间： 2024-11-22 01:23:51

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
47页	1751K
描述
Crosspoint Switch with Trace Equalization and Output De-emphasis

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中文翻译

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数据手册

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GX3246 数据手册

GX3246

290 x 146 3.5Gb/s Crosspoint Switch with Trace Equalization and Output

De-emphasis

Key Features

Description

•

290 x 146 crosspoint switch architecture supporting

broadcast and multi-cast modes

Supports all data rates up to 3.5Gb/s

Low power consumption: 21.47W typical (all channels

active)

The GX3246 is a low-power, high-speed 290 x 146

crosspoint switch, with robust signal conditioning circuits

for driving and receiving high-speed signals through

backplanes.

•

The device typically consumes 21.47W of power with all

channels operational, and features sophisticated,

dynamically scalable power management. Unused

portions of the core are automatically turned off without

affecting the operation of the remaining channels.

•

Sophisticated, dynamic on-chip power management

control

Independent, programmable input trace equalization

to reduce deterministic jitter (ISI)

Independent, programmable output de-emphasis for

driving long board traces

The signal conditioning features of the GX3246 include

per-input programmable equalization and per-output

programmable de-emphasis. The input equalizer removes

ISI jitter—typically caused by PCB trace losses—by

opening the input data eye in applications where long PCB

traces are used. There are four settings available for the

input equalizer, allowing flexibility in adjusting the

equalization level on a per-input basis.

High-speed, video-optimized control for multi-format

applications

Built-in system test features with on-chip PRBS

generators and analyzers

•

2.5V analog core voltage, 1.8V digital core voltage

Input and output voltages support either 1.2V, 1.8V or

2.5V CML

Output de-emphasis capability provides a boost of the

high-frequency content of the output signal, such that the

data eye remains open after passing through a long

interconnect of PCB traces and connectors. There are four

de-emphasis settings that can be enabled on a per-output

basis.

•

JTAG-controlled boundary scan

Selectable parallel/serial host interface

50mm x 50mm BGA (2377 ball)

Operating temperature range: 0°C to +85°C

RoHS compliant

Two integrated programmable pattern generators, and two

pattern checkers are provided to assist in system test and

configuration.

Applications

Large m x n cascaded routers/switch fabrics for:

The pattern generators can each be routed to any output of

the device without impacting the normal operation of any

other channel. Any input can be routed to each of the

pattern checkers.

•

Professional broadcast applications

Enterprise and carrier applications

High-speed automated test equipment

10GbE and InfiniBand networks

The chip features eight independent strobe inputs,

UPDATE_EN[7:0], which are used to determine the timing

of the output updates. Any output can be linked to any

strobe.

GX3246 290 x 146 3.5Gb/s Crosspoint

Final Data Sheet Rev. 2

1 of 47

www.semtech.com

GENDOC-056078 March 2013

Proprietary & Confidential

12 3 4 5 6 7...47

中文翻译

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与GX3246相关器件

型号	品牌	获取价格	描述	数据表
GX3246-CBE3	SEMTECH	获取价格	Crosspoint Switch with Trace Equalization and Output De-emphasis
GX35T100T6.3X16TP	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 10uF, THROUGH HOLE MOUNT, AXI
GX35T100T6.3X16TP32	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 10uF, THROUGH HOLE MOUNT, AXI
GX35T100T6.3X16TP42	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 10uF, THROUGH HOLE MOUNT, AXI
GX35T101T12X25LL	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 100uF, THROUGH HOLE MOUNT, AX
GX35T220T8X16TP	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 22uF, THROUGH HOLE MOUNT, AXI
GX35T220T8X16TP22	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 22uF, THROUGH HOLE MOUNT, AXI
GX35T220T8X16TP32	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 22uF, THROUGH HOLE MOUNT, AXI
GX35T220T8X16TP42	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 22uF, THROUGH HOLE MOUNT, AXI
GX35T221T12.5X30TP	CHEMI-CON	获取价格	CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 35V, 220uF, THROUGH HOLE MOUNT, AX

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