Datasheet > FWLXTPED0QE000

FWLXTPED0QE000

更新时间： 2024-10-29 03:38:07

品牌	Logo	应用领域
英特尔 - INTEL		局域网（LAN）标准
页数	文件大小	规格书
226页	2074K
描述
Advanced 8-Port 10/100 Mbps PHY Transceivers

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FWLXTPED0QE000 数据手册

Intel^®LXT9785 and Intel^®LXT9785E

Advanced 8-Port 10/100 Mbps PHY

Transceivers

Datasheet

The Intel^®LXT9785 and Intel^®LXT9785E are 8-port Fast Ethernet PHY Transceivers

supporting IEEE 802.3 physical layer applications at 10 Mbps and 100 Mbps. These devices

provide 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) requiring power from the switch over a CAT5

cable. The system uses 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.

Each network port can provide a twisted-pair (TP) or Low-Voltage Positive Emitter Coupled

Logic (LVPECL) interface. The twisted-pair interface supports 10 Mbps and 100 Mbps

(10BASE-T and 100BASE-TX) Ethernet over twisted-pair. The LVPECL interface supports

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

The LXT9785/LXT9785E 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 2.5 V power supply.

Applications

Enterprise switches

IP telephony switches

Storage Area Networks

Multi-port Network Interface Cards (NICs)

Product Features

Eight IEEE 802.3-compliant 10BASE-T or Supports both auto-negotiation systems and

100BASE-TX ports with integrated filters.

legacy systems without auto-negotiation

capability.

100BASE-FX fiber-optic capability on all

ports.

2.5 V operation.

Robust baseline wander correction.

Configurable through the MDIO port or

external control pins.

Low power consumption; 250 mW per port

typical.

JTAG boundary scan.

Multiple RMII or SMII/SS-SMII ports for 208-pin PQFP: LXT9785HC,

independent PHY port operation.

LXT9785EHC, LXT9785HE.

Auto MDI/MDIX crossover capability.

241-ball BGA: LXT9785BC,

LXT9785EBC.

Proprietary Optimal Signal Processing™

architecture improves SNR by 3 dB over

ideal analog filters.

196-ball BGA: LXT9785MBC

DTE detection for remote powering

Optimized for dual-high stacked RJ-45

applications (LXT9785E only).

applications.

Extended temperature operation of -40 C to

MDIO sectionalization into 2x4 or 1x8

+85 C (LXT9785HE).

configurations.

Document Number: 249241

Revision Number: 007

Revision Date: August 28, 2003

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与FWLXTPED0QE000相关器件

型号	品牌	获取价格	描述	数据表
FWLXTPED0QE001	INTEL	获取价格	Advanced 8-Port 10/100 Mbps PHY Transceivers
FWLXTPED0SE000	INTEL	获取价格	Advanced 8-Port 10/100 Mbps PHY Transceivers
FWLXTPED0SE001	INTEL	获取价格	Advanced 8-Port 10/100 Mbps PHY Transceivers
FWM-4D33SCSB2	JDSU	获取价格	Band Multi-Channel Modules
FWM-4D33SCSB4	JDSU	获取价格	Band Multi-Channel Modules
FWM-4D33SCSB8	JDSU	获取价格	Band Multi-Channel Modules
FWM-4D33SLGB2	JDSU	获取价格	Band Multi-Channel Modules
FWM-4D33SLGB4	JDSU	获取价格	Band Multi-Channel Modules
FWM-4D33SLGB8	JDSU	获取价格	Band Multi-Channel Modules
FWM-4E33SCSB2	JDSU	获取价格	Band Multi-Channel Modules

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