DP83891

DP83891 Gig PHYTER™ 10/100/1000M Advance Information January 2000 DP83891 Gig PHYTER™ 10/100/1000M General Description Features www.DataSheet4U.com The DP83891 is the first fully integrated, feature rich Physi- s Fully integrated 10BASE-T,100BASE-TX and cal Layer transceiver with integrated PMD sublayers to sup1000BASE-T capable port 10BASE-T,100BASE-TX and 1000BASE-T Ethernet s Single Quad TX-Transformer interface for all speeds protocols. It operates on existing CAT5 cables which s Fully compliant to IEEE 802.3u 100BASE-TX and IEEE reduces deployment costs. 802.3z/ab 1000BASE-T specifications. Fully integrated The DP83891 is designed for easy implementation of and fully compliant ANSI X3.T12 PMD physical sublayer 10/100/1000 Mb/s Ethernet LANs. It interfaces directly to that includes adaptive equalization and Baseline WanTwisted Pair media via an external standard Quad transder compensation. former. The DP83891 connects to the MAC layer through s Supports Auto-MDIX the IEEE 802.3u Standard Media Independent Interface (MII) or the IEEE 802.3z Gigabit Media Independent Inter- s IEEE 802.3u Auto-Negotiation and Parallel Detection face (GMII). – Fully auto-negotiates between 10, 100 and 1000 Mb/s full duplex and half duplex devices Applications s 3.3 V MAC interfaces: – IEEE 802.3u MII The DP83891 fits applications in: – IEEE 802.3z GMII s 10/100/1000 Mb/s capable node cards s LED support (Link, Speed, Activity, Duplex, Collision, s Switches with 10/100/1000 Mb/s capable port...