VSC834

更新时间： 2024-01-06 19:53:51

品牌	Logo	应用领域
VITESSE		开关监控
页数	文件大小	规格书
16页	166K
描述
2.5Gb/s 17 x 17 Crosspoint Switch with Input Signal Activity (ISA) Monitoring

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VSC834 技术参数

生命周期：	Transferred	零件包装代码：	BGA
包装说明：	BGA,	针数：	256
Reach Compliance Code：	compliant	风险等级：	5.77
Is Samacsys：	N	边界扫描：	NO
外部数据总线宽度：	17	JESD-30 代码：	S-PBGA-B256
长度：	27 mm	低功率模式：	NO
端子数量：	256	最高工作温度：	85 °C
最低工作温度：		输出数据总线宽度：	17
封装主体材料：	PLASTIC/EPOXY	封装代码：	BGA
封装形状：	SQUARE	封装形式：	GRID ARRAY
认证状态：	Not Qualified	座面最大高度：	1.95 mm
最大供电电压：	3.465 V	最小供电电压：	3.135 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	OTHER
端子形式：	BALL	端子节距：	1.27 mm
端子位置：	BOTTOM	宽度：	27 mm
uPs/uCs/外围集成电路类型：	DSP PERIPHERAL, CROSSBAR SWITCH	Base Number Matches：	1

VSC834 数据手册

VITESSE

SEMICONDUCTOR CORPORATION

Datasheet

2.5Gb/s 17x17 Crosspoint Switch

with Input Signal Activity (ISA) Monitoring

VSC834

Features

• 17 Input by 17 Output Crosspoint Switch

• On-chip 50Ω Input Terminations

• 50Ω Source Terminated PECL Output Drivers

• Single 3.3V Supply

• 2.5Gb/s NRZ Data Bandwidth

• 42 Gb/s Aggregate Bandwidth

• TTL Compatible µP Interface

• Differential PECL Data Inputs

• 9W Maximum Power Dissipation

• High Performance 256 Pin BGA Package

General Description

The VSC834 is a monolithic 17x17 asynchronous crosspoint switch designed to carry broadband data

streams at up to 2.5Gb/s. The non-blocking switch core is programmed through a parallel microprocessor inter-

face that allows random access programming of each output port. A high degree of signal integrity is main-

tained through the chip through fully differential signal paths.

The crosspoint function is based on a multiplexer tree architecture. Each data output is driven by a 17:1

multiplexer tree that can be programmed to one and only one of its 17 inputs, and each data input can be pro-

grammed to multiple outputs. The signal path is unregistered, so no clock is required for the data inputs. The

signal path is asynchronous, so there are no restrictions on the phase, frequency, or signal pattern at each input.

Each input channel has an activity monitor function that can be used to identify loss of activity (LOA). An inter-

rupt pin is provided to signal LOA, after which an external controller can query the chip to determine the chan-

nel(s) on which the fault occurred.

Each output driver is a fully differential switched current driver with on-die back-terminations for maxi-

mum signal integrity. Data inputs are terminated on die through 50Ω resistors connected to V

TERM

The parallel interface uses TTL levels, and provides address, data, and control pins that are compatible with

a microprocessor-style interface. The control port provides access to all chip functions, including LOA, and

programming. Program buffering is provided to allow multiple program assignments to be queued and issued

simultaneously via a single configure command.

VSC834 Block Diagram

Y16

A16

Control Logic

µP Interface

G52247-0, Rev 4.2

02/09/01

Page 1

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

Internet: www.vitesse.com

12 3 4 5 6 7...16

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与VSC834相关器件

型号	品牌	获取价格	描述	数据表
VSC834UB	VITESSE	获取价格	2.5Gb/s 17 x 17 Crosspoint Switch with Input Signal Activity (ISA) Monitoring
VSC835	VITESSE	获取价格	34x34 Crosspoint Switch with Signal Detection
VSC837	VITESSE	获取价格	3.2Gb/s 68x68 Crosspoint Switch
VSC8373	MICROSEMI	获取价格	Telecom IC,
VSC8373	VITESSE	获取价格	Telecom IC,
VSC837UG	VITESSE	获取价格	3.2Gb/s 68x68 Crosspoint Switch
VSC837VN	VITESSE	获取价格	Crossbar Switch, CMOS, PBGA480, 37.50 X 37.50 MM, TBGA-480
VSC838	VITESSE	获取价格	3.2Gb/s 36x37 Crosspoint Switch
VSC838UG	VITESSE	获取价格	3.2Gb/s 36x37 Crosspoint Switch
VSC838UG-01	VITESSE	获取价格	Telecom IC,

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