Diodes Incorporated
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PCI-to-PCI Bridge, 2-Port

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Product Description

The PI7C8150B is an enhanced PCI-to-PCI Bridge that will support asynchronous operation and is designed to be fully compliant with the PCI Local Bus Specification Revision 2.2. Both the primary and secondary interfaces are specified to run at 32-bits and up to 66MHz (33MHz for PI7C8150B-33).


  • 32-bit Primary and Secondary Ports run up to 66MHz (33MHz for PI7C8150B-33)
  • Compliant with the PCI Local Bus Specification, Revision 2.3
  • Compliant with PCI-to-PCI Bridge Architecture Specification, Revision 1.1.
  • All I/O and memory commands
    • Type 1 to Type 0 configuration conversion
    • Type 1 to Type 1 configuration forwarding
    • Type 1 configuration write to special cycle conversion
  • Compliant with the Advanced Configuration Power Interface (ACPI) Specification.
  • Compliant with the PCI Power Management Specification, Revision 1.0.
  • Synchronous and Asynchronous operation support
    • Supported Modes of Asynchronous Operation
        Primary (MHz) Secondary (MHz)
      PI7C8150B 25MHz to 66MHz 25MHz to 66MHz
      PI7C8150B-33 25MHz to 33MHz 25MHz to 33MHz
    • Supported Modes of Synchronous Operation
        Primary (MHz) Secondary (MHz)
      PI7C8150B 66 66
      PI7C8150B 66 33
      PI7C8150B 50 50
      PI7C8150B 50 25
      33 33
      25 25
  • Provides internal arbitration for one set of nine secondary bus masters 
    • Programmable 2-level priority arbiter
    • Disable control for use of external arbiter
  • Supports posted write buffers in all directions
  • Four 128 byte FIFO’s for delay transactions
  • Two 128 byte FIFO’s for posted memory transactions
  • Enhanced address decoding
  • Temperature support 
    • Extended Commercial range 0°C to 85°C
    • Industrial range -40°C to 85°C
  • IEEE 1149.1 JTAG interface support
  • 3.3V core; 3.3V and 5V signaling
  • Packaging: 208-pin FQFP and 256-pin PBGA
    • Pb-free & Green

Product Specifications

Product Parameters

PCI Speed 66
PCI Bus Width 32
Ports 2
Lanes N/A
Ambient or Junction Temperature (°C) -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

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2567 2022-03-30 2022-09-30 Device End of Life (EOL)