Diodes Incorporated
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PI2PCIE2442 (Not Recommended for New Design (NRND))

NRND = Not Recommended for New Design

PCIe 2.0, 2-lane (4-Channel), Differential 2:2 Exchange Switch. Single Control, 1.8V

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Product Description

The PI2PCIE2442 is a differential exchange switch featuring pass-through pinout. It supports two full PCI Express lanes operating at 5.0Gbps PCIe® 2.0 performance.

With the select control input low, Port A connects to Port B, and Port C connects to port D for an 8-channel differential pass-though. When the select control input is high Port A connects to Port D, and Port B connects to Port C.


  • 8 Differential Channel (2-lane) Exchange Switch
  • PCI Express® 2.0 performance, 5.0 Gbps
  • Low Bit-to-Bit Skew: 10ps (between +/- signals)
  • Low Crosstalk: -28dB @ 2.5 GHz (5Gbps)
  • Low Insertion Loss: -2.1dB @ 2.5 GHz (5Gbps)
  • VDD Operating Range: +1.5V to +1.8V ±10%
  • ESD Tolerance: 2kV HBM
  • Packaging: 42-contact TQFN (ZH42)

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Configuration Exchange, 2:2: 4-Differential Channel
Differential Channels 4
Lanes 2
Type Crossbar
Voltage 1.8

Technical Documents

Recommended Soldering Techniques


Additional Technical Documents are available upon request: 
Application information, 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-2602 2023-01-31 2023-07-31 Device End of Life (EOL)
PCN-2328 2018-04-12 2018-10-12 Device End of Life for tray packaging only