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产品规格:IP1725
产品数量:100000000 个
包装说明:PQFP-128
关 键 词:IP1725 24+1-port Management Switch Controller with 24 PHYs inside (SOC_90nm, Green & Management)
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发布时间:2016-02-24
The IP1725 is a cost effective and fully integrated single chip. It integrates a 25-port switch controller, an 3X octal PHY transceiver and SSRAM. Each of PHY transceiver complies with 802.3u specification and HP-license Auto MDI/MDIX. It supports full smart switch functions, including IGMP snooping, 4 priority queues, TOS, TCP/UDP port number priority, 802.1Q VLAN, port security, protocol filter/forwarding and bandwidth control. Feature : S25 Ports 10/100Mb Ethernet Layer 2 Smart Switch - Built-in 24 PHYs - One MII interface Store & Forward, Share Memory Non_blocking Architecture - Built-in 2.5Mb SRAM (1.75Mb for packet buffer) - Max. length 1664B Wire-speed Operation On Every Port Head Of Line Blocking Prevention Flow Control Support - 802.3x compliant flow control in full duplex - Collision/Carrier_snese based backpressure in half duplex Internal 8K MAC Address Entities - CRC/direct hashing algorithm - Aging timer programmable (55s~251.6hr) 1023, <=1023) - Forwarding STP frame to CPU port - Action : forward, to CPU, drop, priority, Q-in-Q tag Configuration