PEX 8647
48-Lane, 3-Port PCI Express Gen 2 (5.0 GT/s) Switch, 27 x 27mm FCBGA
The ExpressLane™ PEX 8647 device offers 48 PCI Express Gen 2 (5.0 GT/s) lanes, configured as 3 x16 ports. The switch conforms to the PCI Express Base Specification, rev 2.0. The 48-lane switch enables users to add scalable, high bandwidth, non-blocking interconnection to high-end graphics applications such as high-resolution gaming, high-resolution medical/scientific imaging, and dual-graphics systems. The PEX 8647 boasts the industry’s lowest PCIe Gen2 latency at 140ns and unsurpassed performance with its non-blocking architecture, capable of supporting both host-centric as well as true peer-to-peer traffic. The device is hardware configurable and software programmable, allowing users to tailor their port configurations and QoS operating characteristics to suit their application requirements. The PEX 8647 is offered in a 27 x 27mm 676-ball FCBGA. This device is available in lead-free packaging.
Page Index
Related Gen 1 Devices
Related Gen 2 Devices
Supporting Documentation
- PCIe Technical Info & White Papers
- General PLX Product Documentation
- Support Documentation (Quality, FAQs, RoHS...)
Hot Applications
Usage Models
Suitable for host-centric as well as Intelligent I/O applications
PEX 8647 Technical Documentation
| Document/Resources | Everyone Access | Requires Membership | Requires NDA | Description | Version | Date |
|---|---|---|---|---|---|---|
| Product Brief | Download | Product Overview | 0.96 | 10/08 | ||
| Part Numbers Listing | View HTML | Part Number, Listing and Compliance | -- | 09/06 | ||
| Data Book | Download | Detailed Technical Specifications | 0.97 | 10/08 | ||
| Design Notes | Download | Quick Start Hardware Design Guide | 1.2 | 01/08 | ||
| Download | Hardware Design Checklist | 1.0 | 10/08 | |||
| Download | Power Management Modes, PEX 8600 Products (white paper) | 1.0 | 04/08 | |||
| Download | Dual Cast, 8600 family feature (white paper) | 1.0 | 10/07 | |||
| Download | Read Pacing, 8600 family feature (white paper) | 1.0 | 10/07 | |||
| Download | Dynamic Buffer Pool, 8600 family feature (white paper) | 1.0 | 10/07 | |||
| Download | Error Recovery and Fencing Mechanisms (white paper) | 1.0 | 01/08 | |||
| Errata | Download | Silicon Errata List | 0.92 | 11/08 | ||
| Interoperability | Download | Interoperability Report | 1.0 | 05/08 | ||
| Application Notes | Download | Using Dual Cast feature of Gen 2 switches | 1.0 | 05/08 | ||
| Download | Gen 2 switch compatibility with Gen 1 devices | 1.0 | 05/08 |
PEX 8647 Development Tools
| Document/Resources | Everyone Access | Requires Membership | Requires NDA | Description | Version | Date |
|---|---|---|---|---|---|---|
| Signal Integrity Kit | Download | PLX Gen 2 Testing over “16 / 30” Tyco Comm Backplane (presentation) | 1.0 | 12/08 | ||
| Download | PCIe Receiver Equalization (white paper) | 1.0 | 12/08 | |||
| Download | PEX 86xx Gen 2 Switch Linkup Issue with Intel Tylersburg Platforms (white paper) | 1.0 | 12/08 | |||
| Download | Using PEX 8648 SMA based (SI) Card (white paper) | 1.0 | 12/08 | |||
| Download | PLX PCI Express over 30” of Legacy Backplane (white paper) | 1.0 | 07/08 | |||
| Rapid Development Kit (RDK) | Download | RDK Schematic | 2.0 | 07/08 | ||
| Download | Hardware Reference Manual | 1.2 | 11/08 | |||
| Software Development Kit (SDK) | View HTML | Software Development Kit | -- | -- | ||
| BSDL | Download | Preliminary Boundary Scan Description Language files | 0.91 | 10/08 | ||
| HSPICE Model | Download | HSPICE Model | 0.9 | 07/08 | ||
| OrCAD | Download | OrCAD Library | 1.1 | 07/08 | ||
| GERBER | Download | Preliminary RDK Gerber files | 0.82 | 01/08 |
PEX 8647 Applications
| Application | Description | Document | |
|---|---|---|---|
| Graphics/Video | Dual Graphics | High Performance Fan-Out & Peer-to-Peer Communication | ExpressApps#49 (PDF) |
| Servers | Blade | Servers - Create PCIe Ports & End Points | ExpressApps#44 (PDF) |
| Communications | Router/Switch | Create High Throughput & Performance | ExpressApps#50 (PDF) |
| Communications & Embedded | MicroTCA -- Create MCH Switch Fabric with PCI Express | ExpressApps#47 (PDF) |
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