89HPES48H12

www.DataSheet4U.com 48-Lane 12-Port PCI Express® System Interconnect Switch ® 89HPES48H12 Data Sheet Device Overview The 89HPES48H12 is a member of the IDT PRECISE™ family of PCI Express® switching solutions. The PES48H12 is a 48-lane, 12-port system interconnect switch optimized for PCI Express packet switching in high-performance applications, supporting multiple simultaneous peer-to-peer traffic flows. Target applications include servers, storage, communications, and embedded systems. ◆ Features ◆ High Performance PCI Express Switch – Twelve maximum switch ports Six main ports each of which consists of 8 SerDes Each x8 main port can further bifurcate to 2 x4-ports – Forty-eight 2.5 Gbps embedded SerDes Supports pre-emphasis and receive equalization on per-port basis – Delivers 192 Gbps (24 GBps) of aggregate switching capacity – Low-latency cut-through switch architecture – Support for Max Payload Size up to 2048 bytes – Supports two virtual channels and eight traffic classes – PCI Express Base Specification Revision 1.1 compliant ◆ ◆ Flexible Architecture with Numerous Configuration Options – Port arbitration schemes utilizing round robin algorithms – Virtual channels arbitration based on priority – Automatic per port link width negotiation to x8, x4, x2 or x1 – Supports automatic lane reversal on all ports – Supports automatic polarity inversion on all lanes – Supports locked transactions, allowing use with legacy software – Ability to load device configur...