Datasheet > FWLXT9785BC.A4SE001

FWLXT9785BC.A4SE001

更新时间： 2024-10-30 10:45:11

品牌	Logo	应用领域
英特尔 - INTEL		/
页数	文件大小	规格书
150页	1859K
描述
Ethernet Transceiver, 8-Trnsvr, PBGA241,

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LXT9785/9785E

Advanced 10/100 8-Port Transceivers

Datasheet

The LXT9785 and LXT9785E are 8-port Fast Ethernet PHY Transceivers that support IEEE

802.3 physical layer applications at 10 Mbps and 100 Mbps. These devices provide both Serial/

Source Synchronous Serial Media Independent Interfaces (SMII/SS-SMII) and Reduced Media

Independent Interface (RMII) for switching and other independent port applications. The

LXT9785 and LXT9785E are identical except for the IP telephony features included in the

LXT9785E transceiver. The LXT9785E is an enhanced version of the LXT9785 that detects

Data Terminal Equipment (DTE) capable of being powered remotely from the switch over a

Category 5 cable. The system can use the information collected by the LXT97985E to apply

power if the DTE at the far end requires power over the cable, such as an IP telephone.

All network ports provide a combination twisted-pair (TP) or pseudo-ECL (PECL) interface for

both 10 Mbps or 100 Mbps (10BASE-T and 100BASE-TX) Ethernet over twisted-pair, or 100

Mbps (100BASE-FX) Ethernet over fiber-optic media.

The LXT9785/9785E provides three discrete LED driver outputs for each port. The devices

support both half-duplex and full-duplex operation at 10 Mbps and 100 Mbps and require only a

single 2.5V power supply.

Applications

I Enterprise switches

I Storage Area Networks

I IP telephony switches

I Multi-port Network Interface Cards (NICs)

Product Features

I Eight IEEE 802.3-compliant 10BASE-T or I MDIO sectionalization into 2x4 or 1x8

100BASE-TX ports with integrated filters. configurations.

I 100BASE-FX fiber-optic capability on all I Supports both auto-negotiation systems and

ports.

I 2.5V operation.

legacy systems without auto-negotiation

capability.

I Robust baseline wander correction.

I Low power consumption; 250 mW per port

typical.

I Configurable via MDIO port or external

control pins.

I Multiple RMII or SMII/SS-SMII ports for

independent PHY port operation.

I JTAG boundary scan.

I Auto MDIX crossover capabilities.

I 208-pin PQFP: LXT9785HC,

LXT9785EHC, LXT9785HE.

I Proprietary Optimal Signal Processing™

architecture improves SNR by 3 dB over

ideal analog filters.

I 241-ball BGA: LXT9785BC,

LXT9785EBC.

I Optimized for dual-high stacked RJ-45

I DTE detection for remote powering

applications.

applications (LXT9785E only).

I Extended temperature operation of -40 C to

+85 C (LXT9785HE).

Order Number: 249241-005

January 2002

12 3 4 5 6 7...150

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与FWLXT9785BC.A4SE001相关器件

型号	品牌	获取价格	描述	数据表
FWLXT9785BC.D0853312	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXT9785BC.D0SE000	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXT9785BC.D0SE001	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXT9785BCD0SE000	INTEL	获取价格	Interface Circuit, PBGA241, 1.27 MM PITCH, BGA-241
FWLXT9785EBC.B2QE000	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXT9785EBC.D0853300	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA217,
FWLXT9785EBC.D0SE000	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXT9785EBC.D0SE001	INTEL	获取价格	Ethernet Transceiver, 8-Trnsvr, PBGA241,
FWLXTEAD0QE000	INTEL	获取价格	Advanced 8-Port 10/100 Mbps PHY Transceivers
FWLXTEAD0QE001	INTEL	获取价格	Advanced 8-Port 10/100 Mbps PHY Transceivers

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