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DP83861

Part Number	DP83861
Manufacturer	National Semiconductor
Description	Gig PHYTER 10/100/1000 Ethernet Physical Layer
Published	Jun 29, 2007
Detailed Description	DP83861 EN Gig PHYTER® 10/100/1000 Ethernet Physical Layer PRELIMINARY April 2001 ® DP83861VQM-3 EN Gig PHYTER 10/100/...
Datasheet	DP83861 PDF File

Overview

DP83861 EN Gig PHYTER® 10/100/1000 Ethernet Physical Layer PRELIMINARY April 2001 ® DP83861VQM-3 EN Gig PHYTER 10/100/1000 Ethernet Physical Layer General Description Features The DP83861 is a full featured Physical Layer transceiver s 100BASE-TX and 1000BASE-T compliant with integrated PMD sublayers to support 10BASE-T, s Fully compliant to IEEE 802.
3u 100BASE-TX and IEEE 100BASE-TX and 1000BASE-T Ethernet protocols.
802.
3z/ab 1000BASE-T specifications.
Fully integrated and fully compliant ANSI X3.
T12 PMD physical sublayer The DP83861 uses state of the art 0.
18 µm , 1.
8 V/3.
3 V that includes adaptive equalization and Baseline WanCMOS technology, fabricated at National Semiconductor’s der compensation South Portland Maine facility.
s 10BASE-T compatible The DP83861 is designed for easy implementation of 10/100/1000 Mb/s Ethernet LANs.
It interfaces directly to s IEEE 802.
3u Auto-Negotiation and Parallel Detection Twisted Pair media via an external transformer.
This device – Fully Auto-Negotiates between 1000 Mb/s, 100 Mb/s, interfaces directly to the MAC layer through the IEEE and 10 Mb/s Full Duplex and Half Duplex devices 802.
3u Standard Media Independent Interface (MII) or the s Interoperates with first generation 1000BASE-T Physical IEEE 802.
3z Gigabit Media Independent Interface (GMII).
layer transceivers s 3.
3V MAC interfaces: Applications – IEEE 802.
3u MII The DP83861 fits applications in: – IEEE 802.
3z GMII s 10/100/1000 Mb/s capable node cards s LED support: Link, Speed, Activity, Collision, TX and RX s Switches with 10/100/1000 Mb/s capable ports s Supports 125 MHz or 25 MHz reference clock s High speed uplink ports (backbone) s Requires only one 1.
8 V and one 3.
3 V supply s Supports MDIX at 10, 100, and 1000 Mb/s s Supports JTAG (IEEE1149.
1) s Dissipates 1 watt in 10/100 Mb/s mode s Programmable Interrupts s 208-pin PQFP package www.
DataSheet4U.
com System Diagram MAGNETICS 10BASE-T 100BASE-TX RJ-45 1000BASE-T DP83861 10/100/1000Mb/s Ethernet Physic...

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