89HPES12NT3

www.DataSheet4U.com 12-lane 3-Port Non-Transparent PCI Express® Switch ® 89HPES12NT3 Data Sheet Preliminary Information* Device Overview The 89HPES12NT3 is a member of the IDT PRECISE™ family of PCI Express® switching solutions offering the next-generation I/O interconnect standard. The PES12NT3 is a 12-lane, 3-port peripheral chip that performs PCI Express Base switching with a feature set optimized for high performance applications such as servers, storage, and communications/networking. It provides high-performance I/O connectivity and switching functions between a PCIe® upstream port, a transparent downstream port, and a non-transparent downstream port. With non-transparent bridging (NTB) functionality, the PES12NT3 can be used standalone or as a chipset with IDT PCIe System Interconnect Switches in multi-host and intelligent I/O applications such as communications, storage, and blade servers where inter-domain communication is required. Features ◆ High Performance PCI Express Switch – Twelve PCI Express lanes (2.5Gbps), three switch ports – Delivers 48 Gbps (6 GBps) of aggregate switching capacity – Low latency cut-through switch architecture – Support for Max Payload size up to 2048 bytes – Supports one virtual channel and eight traffic classes – PCI Express Base specification Revision 1.0a compliant Flexible Architecture with Numerous Configuration Options – Port arbitration schemes utilizing round robin – Supports automatic per port link width negotiation (x4, x...