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产品型号BCM5241XA1KMLG的Datasheet PDF文件预览

BCM5241  
®
10/100BASE-TX SINGLE-CHANNEL TRANSCEIVER  
S U M M A R Y O F B E N E F I T S  
F E A T U R E S  
10BASE-T/100BASE-TX/100BASE-EFX IEEE 802.3u fast  
Ethernet transceiver  
DSP-based architecture to ensure performance over  
temperature, voltage and process variation.  
-
-
Field proven in over one billion Fast Ethernet ports.  
Superior ability to link and lower BER in marginal cable  
plants, relative to analog solutions.  
HP auto-MDIX  
Advanced cable diagnostics (CableChecker™)  
Robust CESD tolerance  
-
Greater ATE coverage results in fewer field failures.  
Improved ease of use and installation, reduced support cost.  
Operation from a single 3.3V or 2.5V supply source  
Unique energy detect circuit  
Low-power mode  
-
-
-
Straight-through or cross-over cables accommodated  
independent of installation.  
Advanced cable diagnostic features to enable remote  
monitoring and debug of cabling infrastructure.  
Resistance to CESD to reduce product destruction and  
product returns.  
Super isolate mode  
Cable length up to 160 meters  
MII and 7-wire serial interface  
Power dissipation: <170 mW  
Flexible power supply options.  
Low power and intelligent power management.  
-
-
-
Increased active working time.  
Prolonged battery life in active standby.  
Increased reliability.  
Control of network interaction on start up.  
BCM5241 System Diagram  
Media  
RJ-45  
Connector  
MII  
Access  
Controller  
(MAC)  
CPU/ASIC  
BCM5241  
Single-Channel  
PHY Transceiver  
Magnetics  
Module  
O V E R V I E W  
BCM5241  
Multimode  
Xmt DAC  
10BASE-T  
PCS  
TD  
TXD[3:0]  
TXEN  
4
TXC  
Baseline  
Wander  
Correction  
Auto  
MDIX  
COL  
RXC  
10BASE-X  
PCS  
CRS  
RXDV  
RXER  
RXD[3:0]  
Digital  
Adaptive  
Equalizer  
ADC  
RD  
4
Auto-Negotiation/  
Link Intergrity  
CRS/Link  
Detection  
LED1  
LED2  
LED  
Drivers  
XTALI/REF_CLK  
XTALO  
Clock  
Generator  
Clock  
Recovery  
MII  
MGMT  
Control  
MDC  
MII  
Registers  
Bias  
Generator  
MDIO  
RDAC  
Modes  
BCM5241 Reference Design  
DSP-Based PHY Technology  
Cable-sourced electrostatic discharge (CESD) is a recently discovered  
phenomenon that occurs when an electrically charged network cable is  
plugged into a networked product. This is an issue becoming more  
prevalent with recent cable installations. The BCM5241 has been  
designed and tested to withstand over 2KV of CESD, which unlike other  
transceivers, prevents the device from being destroyed in a CESD event.  
The BCM5241 builds on Broadcom's proven DSP PHY design and full  
custom circuit design techniques to create a highly-integrated and robust  
physical layer solution. DSP techniques allow the BCM5241 to achieve  
high interoperability and to exhibit robust performance across voltage  
(+/-10%), temperature, and process variations. Broadcom's DSP-based,  
Broad-Φ™ technology has been proven in the shipment of over one  
billion Fast Ethernet ports. Due to the significantly greater test coverage  
for a DSP based PHY, Broadcom's PHYs exhibit superior quality with a  
failure rate of well under 10 PPM.  
Low Power Fast Ethernet PHY  
The BCM5241 has an extremely low power dissipation of less than 170  
mW. It features an integrated voltage regulator, and can be supplied by  
either 2.5V or 3.3V power sources. The BCM5241 employs several  
intelligent power-down states that conserve power, while allowing  
BCM5241-based products to automatically turn on when needed.  
Network Tolerance  
The BCM5241 includes features that simplify the installation and  
maintenance of local area networks. A simple help tool is the  
CableChecker™, which enables basic cable issues to be resolved without  
contacting technical support. These issues include not plugging the cable  
correctly at one or both ends, identifying if the cable is damaged, or  
determining if the remote system is powered up.  
The BCM5241 includes a unique Intelligent Power-Management feature  
that powers down the device if energy is not detected on the cable. This  
feature is especially useful for portable and power-sensitive applications.  
The BCM5241 can be set to periodically wake up at a user-defined  
interval, allowing the device to initiate keep-alive network traffic. For  
lowest power consumption, the BCM5241 can be put in a power-off state  
(<170 mW).  
Another network tolerance feature is the HP Auto-MDIX capability,  
which automatically detects and corrects crossed cables. With HP Auto-  
MDIX, the installer does not need to know what is on the other end of the  
network cable. The BCM5241 automatically switches its transmit and  
receive circuitry to accommodate the link partner’s polarity.  
Applications  
• Printers, multi-function peripherals • LAN on motherboard  
• Game consoles • IP Phones • DTVs • Wireless access points  
Broadcom®, the pulse logo, Connecting everything®, and the Connecting everything logo are among  
the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries  
and/or the EU. Any other trademarks or trade names mentioned are the property of their respective  
owners.  
®
BROADCOM CORPORATION  
16215 Alton Parkway, P.O. Box 57013  
Irvine, California 92619-7013  
Phone: 949-450-8700  
Fax: 949-450-8710  
E-mail: info@broadcom.com  
Web: www.broadcom.com  
© 2006 by BROADCOM CORPORATION. All rights reserved.  
5241-PB01-R  
04/19/06  
配单直通车
BCM5241A1IML产品参数
型号:BCM5241A1IML
生命周期:Active
包装说明:,
Reach Compliance Code:compliant
HTS代码:8542.39.00.01
风险等级:5.64
功能数量:1
封装主体材料:UNSPECIFIED
封装形状:UNSPECIFIED
标称供电电压:2.5 V
电信集成电路类型:ETHERNET TRANSCEIVER
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