89HPES4T4 Description
4-Lane 4-Port PCI Express® Switch ® 89HPES4T4 Data Sheet Device Overview The 89HPES4T4 is a member of IDT’s PRECISE™ family of PCI Express switching solutions. The PES4T4 is a 4-lane, 4-port peripheral chip that performs PCI Express Base switching. It provides connectivity and switching functions between a PCI Express upstream port and up to four downstream ports and supports switching between downstream ports.
89HPES4T4 Key Features
- High Performance PCI Express Switch
- Four 2.5 Gbps PCI Express lanes
- Four switch ports
- x1 Upstream port
- Three x1 Downstream ports
- Low latency cut-through switch architecture
- Support for Max payload sizes up to 256 bytes
- One virtual channel
- Eight traffic classes
- PCI Express Base Specification Revision 1.1 pliant