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DP83849IVSX/NOPB

更新时间： 2024-01-08 07:50:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
108页	786K
描述
Industrial temperature, dual-port 10/100-Mbps Ethernet PHY transceiver with flexible port switchi 80-TQFP -40 to 85

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DP83849IVSX/NOPB 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	TQFP-80	针数：	80
Reach Compliance Code：	compliant	ECCN代码：	5A991.B.1
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	1.52	Is Samacsys：	N
数据速率：	100000 Mbps	JESD-30 代码：	S-PQFP-G80
JESD-609代码：	e4	长度：	12 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	80	收发器数量：	2
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TFQFP
封装等效代码：	TQFP80,.55SQ	封装形状：	SQUARE
封装形式：	FLATPACK, THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3 V	认证状态：	Not Qualified
座面最大高度：	1.2 mm	子类别：	Network Interfaces
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	电信集成电路类型：	ETHERNET TRANSCEIVER
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	12 mm	Base Number Matches：	1

DP83849IVSX/NOPB 数据手册

May 2008

DP83849I PHYTER® DUAL Industrial Temperature with Flexible Port Switching

Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver

Features

General Description

•

Low-power 3.3V, 0.18µm CMOS technology

Low power consumption <600mW Typical

3.3V MAC Interface

The number of applications requiring Ethernet Con-

nectivity continues to expand. Along with this

increased market demand is a change in application

requirements. Where single channel Ethernet used to

be sufficient, many applications such as wireless

remote base stations and industrial networking now

require DUAL Port functionality for redundancy or sys-

tem management.

The DP83849I is a highly reliable, feature rich device

perfectly suited for industrial applications enabling

Ethernet on the factory floor. The DP83849I features

two fully independent 10/100 ports for multi-port appli-

cations. NATIONAL’s unique port switching capability

also allows the two ports to be configured to provide

fully integrated range extension, media conversion,

hardware based failover and port monitoring.

The DP83849I provides optimum flexibility in MPU

selection by supporting both MII and RMII interfaces.

In addition this device includes a powerful new diag-

nostics tool to ensure initial network operation and

maintenance.

In addition to the TDR scheme, commonly used for

detecting faults during installation, NATIONAL’s inno-

vative cable diagnostics provides for real time continu-

ous monitoring of the link quality. This allows the

system designer to implement a fault prediction mech-

anism to detect and warn of changing or deteriorating

link conditions.

Auto-MDIX for 10/100 Mb/s

Energy Detection Mode

Flexible MII Port Assignment

Dynamic Integrity Utility

Dynamic Link Quality Monitoring

TDR based Cable Diagnostic and Cable Length Detection

Optimized Latency for Real Time Ethernet Operation

Reference Clock out

RMII Rev. 1.2 Interface (configurable)

SNI Interface (configurable)

MII Serial Management Interface (MDC and MDIO)

IEEE 802.3u MII

IEEE 802.3u Auto-Negotiation and Parallel Detection

IEEE 802.3u ENDEC, 10BASE-T transceivers and filters

IEEE 802.3u PCS, 100BASE-TX transceivers and filters

IEEE 1149.1 JTAG

Integrated ANSI X3.263 compliant TP-PMD physical sub-layer

with adaptive equalization and Baseline Wander compensation

Programmable LED support for Link, 10 /100 Mb/s Mode, Activ-

ity, Duplex and Collision Detect

Single register access for complete PHY status

10/100 Mb/s packet BIST (Built in Self Test)

80-pin TQFP package (12mm x 12mm)

•

With the DP83849I, National Semiconductor continues

to build on its Ethernet expertise and leadership posi-

tion by providing a powerful combination of features

and flexibility, easing Ethernet implementation for the

system designer.

Applications

•

Medical Instrumentation

Factory Automation

Motor & Motion Control

Wireless Remote Base Station

General Embedded Applications

System Diagram

10BASE-T

Port B

MII/RMII/SNI

100BASE-TX

DP83849I

MPU/CPU

10BASE-T

Port A

MII/RMII/SNI

100BASE-TX

25 MHz

Clock

Source

Status

LEDs

Typical Application

PHYTER is a registered trademark of National Semiconductor Corporation

www.national.com

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