Dual-Port Gigabit Ethernet Transceiver With Integrated Passives

The Marvell Alaska 88E1121R dual-port Gigabit Ethernet (GbE) transceiver is a physical layer (PHY) device containing two independent GbE transceivers on a single monolithic IC. The transceivers implement the Ethernet PHY portion of the 1000BASE-T, 100BASE-TX, and 10BASE-T standards and are compliant with IEEE 802.3u Auto-Negotiation. It is manufactured using standard digital CMOS process and contains all the active circuitry required to implement the physical layer functions to transmit and receive data on standard CAT 5 unshielded twisted pair. By Marvell Semiconductor, Inc.
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