LXT1000
Gigabit Ethernet Transceiver
Datasheet
The LXT1000 transceiver supports Gigabit Ethernet over copper twisted-pair connections and
supplies all of the physical layer (PHY) functions needed to interface a Gigabit Ethernet
controller to a 100-meter CAT5 twisted-pair connection. The device incorporates Intel’s high-
efficiency Optimal Signal Processing (OSP
) technology, combining the best properties of
digital and analog signal processing to produce a truly optimal device.
Featuring a GMII interface, 4DPAM5 encoder, scrambler, and 8B/10B encoder, Viterbi Decision
Feedback Equalizer (DFE), DSP filtering for echo cancellation, equalization, and near- and far-
end crosstalk elimination, as well as gain control and timing recovery, the LXT1000 also
includes an internal hybrid circuit combining the transmit and receive paths on each pair,
allowing simple 1:1 turns ratio magnetics. LXT1000 complies with applicable portions of 802.3.
Product Features
Applications
Related Documents
I
IEEE 802.3ab compliant.
I
GMII and Ten-Bit Interface (TBI) MAC
interface configurations.
I
Integrated 10/100 transceiver with fallback
support.
I
Provides 802.3ab auto-negotiation for
resolution of Master/Slave and flow-control
(802.3x).
I
MII management, QuickStatus, 7 LEDs,
Interrupt.
I
Supports 10 KB Jumbo Frames (full
duplex).
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Supports carrier extension and packet
bursting (half duplex).
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JTAG support.
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3.3V power supply.
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Packaging: 492-Lead PBGA.
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Commercial Temperature Range, 0-55
°
C.
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NICs
I
Switches
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LXT1000 Gigabit Ethernet Transceiver Design and Layout Guide
As of January 15, 2001, this document replaces the Level One document
LXT1000 Gigabit Ethernet Transceiver
Data Sheet.
Order Number: 249276-001
January 2001