Diodes Incorporated
W QFN5050 32

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

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High Performance Selectable 1:4 Differential Fanout Buffer

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The PI6C49S1504T is a high-performance fanout buffer device which supports up to 1.5GHz frequency. This device is ideal for systems that need to distribute low-jitter clock signals to multiple destinations.


  • 4 Differential Outputs with 2 Banks
  • User-Configurable Output Signaling Standard for Each Bank: LVDS or LVPECL or HCSL
  • LVCMOS Reference Output Up to 200MHz
  • Up to 1.5GHz Output Frequency for Differential Outputs
  • Ultra-Low Additive Phase Jitter: <0.03ps (typical) (Differential 156.25MHz, 12KHz to 20MHz Integration Range)
  • Selectable Reference Inputs Support Either Single-Ended or Differential or Xtal
  • Low Skew Between Outputs Within Banks (<40ps)
  • Low Delay from Input to Output (Tpd typical <1.5ns)
  • Separate Input Output Supply Voltage for Level Shifting
  • 5V/3.3V Power Supply
  • Industrial Temperature Support
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/
  • Packaging (Pb-free & Green):
    • 32-pin, TQFN (ZH)


  • Networking Systems, including Switches and Routers
  • High-Frequency Backplane-based Computing and Telecom Platforms

Product Specifications

Product Parameters

Compliance (Only Automotive(Q) supports PPAP) Standard
Function Buffer
Number of Outputs 4
Output Type(s) LVPECL, LVDS, HCSL
Maximum Output Frequency (MHz) 1500
Additive Jitter (ps) 0.03
Supply Voltage (V) 2.5, 3.3
Input Type(s) Single Ended, Differential, Xtal
Skew (ps) 40
Ambient or Junction Temperature (°C) -40 to 85

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