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DJLXT971ALC
Intel® LXT971A 3.3V Dual-Speed Fast Ethernet PHY Transceiver Datasheet The LXT971A is an IEEE compliant Fast Ethernet PHY Transceiver that directly supports both 100BASE-TX and 10BASE-T applications. It provides a Media Independent Interface (MII) for easy attachment to 10/100 Media Access Controllers (MACs). The LXT971A also provides a Low Voltage PECL (LVPECL) interface for use with 100BASE-FX fiber networks. This document also supports the LXT971 device. The LXT971A supports full-duplex operation at 10 Mbps and 100 Mbps. Its operating condition can be set using auto-negotiation, parallel detection, or manual control. The LXT971A is fabricated with an advanced CMOS process and requires only a single 3.3V power supply. Applications ■ Combination 10BASE-T/100BASE-TX or 100BASE-FX Network Interface Cards (NICs) ■ ■ 10/100 PCMCIA Cards Cable Modems and Set-Top Boxes Product Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 3.3V Operation. Low power consumption (300 mW typical). Low-power “Sleep” mode. 10BASE-T and 100BASE-TX using a single RJ-45 connection. Supports auto-negotiation and parallel detection. MII interface with extended register capability. Robust baseline wander correction performance. 100BASE-FX fiber-optic capable. Standard CSMA/CD or full-duplex operation. Supports JTAG boundary scan. ■ ■ ■ ■ Configurable via MDIO serial port or hardware control pins. Integrated, programmable LED drivers. 64-ball Plastic Ball Grid Array (PBGA). — LXT971ABC - Commercial (0° to 70°C ambient). — LXT971ABE - Extended (-40° to 85°C ambient). 64-pin Low-profile Quad Flat Package (LQFP). — LXT971ALC - Commercial (0° to 70°C ambient). — LXT971ALE - Extended (-40° to 85°C ambient). Order Number: 249414-002 August 2002
INTEL
Intel Corporation
U.S.A
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