PEX 8518

Features:

􀂃
·16-lane PCI Express switch
- Integrated SerDes
·Up to five configurable ports
·23mm x 23mm, 376-ball PBGA package
·Typical Power: 2.6 Watts 􀂃 PEX 8518 Key Features
·Standards Compliant
- PCI Express Base Specification, r1.1
- Standard SHPC Specification, r1.1 (hot-plug)
·High Performance
- Non-blocking internal architecture
- Full line rate on all ports
- Cut-Thru latency: 150ns
·Non-Transparent Bridging
- Configurable Non-Transparent port for Multi-Host or Intelligent I/O Support
·Flexible Configuration
- Five highly flexible & configurable ports (x1, x2, x4, or x8)
- Configurable with strapping pins, EEPROM, I2C, or Host software - Lane and polarity reversal
·PCI Express Power Management
- Link power management states: L0, L0s, L1, L2/L3 Ready, L2 and L3
- Device states: D0 and D3hot
- Vaux, WAKE#, Beacon support
·Spread Spectrum Clock
- Dual clock domain
·Quality of Service (QoS)
- Two Virtual Channels per port
- Eight Traffic Classes per port
- Fixed and Round-Robin Virtual Channel Port Arbitration
·Reliability, Availability, Serviceability
- 5 Standard Hot-Plug Controllers
- Upstream port as hot-plug client
- Transaction Layer end-to-end CRC
- Poison bit
- Advanced Error Reporting
- Lane Status bits and GPo available
- Per port error diagnostics
• Bad DLLPs
• Bad TLPs
• CRC errors
- JTAG boundary scan
- Fatal Error out-of-band signal option




Application

Suitable for host-centric as well as intelligent I/O applications ExpressLane PEX 8518 can be configured for a wide variety of form factors and applications.

Description

16 Lane, 5 Port PCI Express Switch, 23 x 23mm PBGAThe ExpressLane™ PEX 8518 16-lane, 5-port switch offers PCI Express switching capability conforming to the PCI Express Specification r1.1. PEX 8518 enables users to add scalable high bandwidth switching, both fan-in/out and peer-to-peer, to a wide variety of applications including office automation, network interface adapters, AMC cards, and processor isolation for servers, storage, and communications. Non-transparent bridging allows the designers to isolate processors in multi-host designs. This switch is hardware configurable and software programmable, allowing users to tailor their port configurations and quality-of-service needs to suit their application requirements. The PEX 8518 is offered in a 23 x 23mm 376-ball PBGA. This device is available in leaded and lead-free packaging.