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ELLXT971ABEA4
Intel® LXT971A Single-Port 10/100 Mbps PHY Transceiver Datasheet The Intel® LXT971A Single-Port 10/100 Mbps PHY Transceiver (called hereafter the LXT971A Transceiver) 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 Transceiver is IEEE compliant, and provides a Low Voltage Positive Emitter Coupled Logic (LVPECL) interface for use with 100BASE-FX fiber networks. (This document also supports the Intel® LXT971 Transceiver.) The LXT971A Transceiver supports full-duplex operation at 10 Mbps and 100 Mbps. Operating conditions for the LXT971A Transceiver can be set using auto-negotiation, parallel detection, or manual control. The LXT971A Transceiver is fabricated with an advanced CMOS process and requires only a single 2.53.3 V power supply. Applications ■ ■ Combination 10BASE-T/100BASE-TX or 100BASE-FX Network Interface Cards (NICs) Network printers ■ ■ 10/100 Personal Computer Memory Card International Association (PCMCIA) cards Cable Modems and Set-Top Boxes Product Features ■ ■ ■ ■ ■ ■ ■ ■ 3.3 V Operation Low power consumption (300 mW typical) Low-power “Sleep” mode 10BASE-T and 100BASE-TX using a single RJ-45 connection IEEE 802.3-compliant 10BASE-T or 100BASE-TX ports with integrated filters Auto-negotiation and parallel detection MII interface with extended register capability Robust baseline wander correction ■ ■ ■ ■ ■ Carrier Sense Multiple Access / Collision Detection (CSMA/CD) or full-duplex operation JTAG boundary scan MDIO serial port or hardware pin configurable 100BASE-FX fiber-optic capable Integrated, programmable LED drivers — 64-ball Plastic Ball Grid Array (PBGA) or 64-pin Quad Flat Package (LQFP) — LXT971ABC - Commercial (0° to 70 °C ambient). — LXT971ABE - Extended (-40° to 85 °C ambient). — LXT971ALC - Commercial (0° to 70 °C ambient). — LXT971ALE - Extended (-40° to 85 °C ambient). Document Number: 249414-003 Revision Date: 25-Oct-2005
TI
Texas Instruments Incorporated
U.S.A
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