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Intel - Universal 10Base-T Transceiver with 3.3V Support

Numéro de référence LXT905
Description Universal 10Base-T Transceiver with 3.3V Support
Fabricant Intel 
Logo Intel 





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LXT905 fiche technique
Intel® LXT905 Universal 10BASE-T
Transceiver with 3.3 V Support
Datasheet
The Intel® LXT905 Universal 10BASE-T Transceiver is designed for IEEE 802.3 physical layer
applications. It provides, in a single CMOS device, all of the active circuitry for interfacing most
standard IEEE 802.3 controllers to 10BASE- T media.
The LXT905 functions include the following:
Manchester encoding/decoding
Receiver squelch and transmit pulse shaping,
Jabber
Link integrity testing
Reversed polarity detection/correction.
The LXT905 drives the 10BASE-T twisted-pair cable, with only a simple isolation transformer,
using a single 3.3 V or 5 V power supply. Integrated filters simplify the design work required for
FCC-compliant EMI performance.
The LXT905 is part of the Intel Carrier Class Ethernet family of products. The LXT905
Universal Transceiver offers 10BASE-T connectivity solutions that support operations over an
extended temperature range, while providing features that increase reliability. The device has an
operational lifetime of at least ten years, with less than 100 failures per billion hours, and is
available a minimum of five years after the introduction of the product.
Intel Carrier Class Ethernet products are ideal for applications where equipment must function
reliably under environmentally controlled conditions, such as base stations, telecom/network
switches, factory floor equipment, and industrial computers.
Applications
Access devices (DSL, Cable Modems, and
Set-top Boxes)
Routers/Bridges/Switches/Hubs
Product Features
Telecom Backplane
USB to Ethernet Converters
Transparent 3.3V or 5V operation
Integrated filters – Simplifies FCC
compliance
Integrated Manchester encoder/decoder
10BASE-T compliant transceiver
Automatic polarity correction
SQE enable/disable
Four LED drivers
Full-duplex capability
Power-down mode with tri-state
Available in 28-pin PLCC and 32-pin
LQFP packages
Commercial Temperature Range (0 to
+70ºC)
Extended Temperature Range (-40 to
+85ºC)
Document Number: 249271
Revision Number: 004
Revision Date: 19-Oct-2005

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