Diodes Menu Close
Back to PCIe Switch


3-port, 3-lane, SlimLine PCIe Packet Switch (Not Recommended for New Design)

Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.

Not Recommended for New Design

Product Description

The PI7C9X20303SL is a 3-port/3-lane PCI Express® SlimLine™ Packet Switch specifically designed to meet the latest low-power, lead (Pb)-free and green system requirements. The PI7C9X20303SL is a cost-effective solution that can be implemented in systems such as motherboard, laptop, docking station, combo card, HBA, settop box, embedded system and other mobile or power-sensitive high performance platforms. The name of the family, SlimLine, refers to the proprietary power-saving technology.

The PI7C9X20303SL provides one upstream port and two x1 downstream ports. The PI7C9X20303SL provides users the flexibility to expand or fan-out from a wide range of I/O Bridges such as MCH, ICH, embedded MCU and other Application Specific ICs.

Industry Specifications Compliance

  • PCI Express® Base Specification, Revision 1.1
  • PCI Express CEM Specification, Revision 1.1
  • PCI-to-PCI Bridge Architecture Specification, Rev 1.2
  • Advanced Configuration Power Interface (ACPI) Specification


  • Non-blocking full-wired switching capability at 12 Gbps when all 3 lanes are enabled
  • Reliability, Availability and Serviceability
    • Supports Data Poisoning and End-to-End CRC
    • Advanced Error Reporting and Logging
    • IEEE 1149.6 JTAG interface support
  • Link Power Management
    • Supports L0, L0s, L1, L2, L2/L3Ready and L3 link power state
    • Active state power management for L0s and L1 state
    • Beacon or Wake# support in L2 state
  • Device State Power Management
    • Supports D0, D3Hot and D3Cold
    • 3.3V Aux Power support in D3Cold power state
  • Supports up to 256-byte maximum payload size
  • Power Dissipation: 0.4 W typical in normal mode, 0.25 W typical in standby mode
  • Industrial Temperature Range -40° to 85°
  • Package: 128-pin LQFP 14mm x 14mm
    • Pb free and 100% Green

Enhanced Features

  • Programmable Driver Current and De-Emphasis Level at each individual port
  • 150ns typical latency for packet running through switch without blocking
  • Supports “Cut-through”(Default) as well as “Store and Forward” mode for switching packets
  • Supports up to 256-byte maximum payload size
  • Advanced Power Savings
  • Empty downstream ports are set to idle
  • Clock to corresponding circuit is turned off when any port enters L1 or ASPM L1


  • Notebook internal PCIe® fan-out
  • PCIe Surveillance and Combo cards
  • PC MotherboardPCIe slot expansion
  • Wire/ Wireless Tele/ data communication
  • Embedded system
  • Set-top box and consumer devices
  • Industrial control

Product Specifications

Product Parameters

Ports 3
Lanes 3
Power 0.4
Latency 150
Temperature -40 to 85

Technical Documents


Recommended Soldering Techniques


Additional Technical Documents are available upon request: 
Application information, Design tool model software, Design kits, Evaluation board, and Other technical documents

Request Documents
Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Countries/Regions
PI7C9X20303SLCFDE Digi-Key Electronics 87 10/20/2020 Buy Now Europe, Asia, North America
PI7C9X20303SLCFDE Mouser Electronics Inc. 72 10/20/2020 Buy Now South America, North America, Asia, Europe, Middle East
PI7C9X20303SLCFDE Avnet 90 10/18/2020 Buy Now United States


Product Change Notices

PCN # Issue Date Implementation Date Subject
PCN-2466 2020-07-02 2020-10-02 Package Change and Additional Qualified Plating Source


Discontinued parts in this family

Obsolete Part # View PDN Package Comment Note
PI7C9X20303SLBFDE PDN 13-0009 FD128 Contact Pericom Customer Service