89HPES24NT24G2

24-Lane 24-Port PCIe® Gen2 System Interconnect Switch ® 89HPES24NT24G2 Datasheet Device Overview The 89HPES24NT24G2 is a member of the IDT family of PCI Express® switching solutions. The PES24NT24G2 is a 24-lane, 24-port system interconnect switch optimized for PCI Express Gen2 packet switching in high-performance applications, supporting multiple simultaneous peer-to-peer traffic flows. Target applications include multi-host or intelligent I/O based systems where inter-domain communication is required, such as servers, storage, communications, and embedded systems. Features  High Performance Non-Blocking Switch Architecture – 24-lane, 24-port PCIe switch with flexible port configuration – Integrated SerDes supports 5.0 GT/s Gen2 and 2.5 GT/s Gen1 operation – Delivers up to 24 GBps (192 Gbps) of switching capacity – Supports 128 Bytes to 2 KB maximum payload size – Low latency cut-through architecture – Supports one virtual channel and eight traffic classes  Port Configurability – Twenty-four x1 ports configurable as follows: One x8 stack Eight x1 ports (ports 0 through 7 are not capable of merging with an adjacent port) Two x8 stacks configurable as: Two x8 ports Four x4 ports Eight x2 ports Sixteen x1 ports – Automatic per port link width negotiation (x8  x4 x2  x1) – Crosslink support – Automatic lane reversal – Per lane SerDes configuration De-emphasis Receive equalization Drive strength  Innovative Switch Partitioning Feature – Supports up to ...