LU82551IT

82551IT Fast Ethernet PCI Controller Networking Silicon - 82551IT Datasheet Product Features        Enhanced IP Protocol Support — TCP, UDP, IPv4 checksum offload — Received checksum verification Quality of Service (QoS) — Multiple priority transmit queues Optimum Integration for Lowest Cost Solution — Integrated IEEE 802.3 10BASE-T and 100BASE-TX compatible PHY — 32-bit PCI master interface — Thin BGA 15mm2 package Integrated power management functions — ACPI and PCI power management standards compliance — Wake on “interesting” packets and link status change support PHY detects polarity, MDI-X, and cable lengths. Auto MDI, MDI-X crossover at all speeds XOR tree mode support High Performance Networking Functions — Early release — 8255x controller family chained memory structure — Improved dynamic transmit chaining with multiple priorities transmit queues    — Full pin compatibility with the 82559 and 82559ER controllers — Backward compatible software to 8255xER controllers — Full duplex support at 10 and 100 Mbps — IEEE 802.3u auto-negotiation support — 3 KB transmit and receive FIFOs — Fast back-to-back transmission support with minimum interframe spacing — IEEE 802.3x 100BASE-TX flow control support — Adaptive Technology Low Power Features — Advanced Power Management (APM) capabilities — Low power 3.3 V device — Efficient dynamic standby mode — Deep power-down support — Clockrun protocol support 82551IT Enhancements — Wider operating temperature range — Improved bit error rate performance — HWI support — Deep power-down state power reduction Lead-free1 196-pin Ball Grid Array (BGA). Devices that are lead-free are marked with a circled “e1” and have the product code: LUxxxxxx. 1 This device is lead-free. That is, lead has not been intentionally added, but lead may still exist as an impurity at