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1:4 HCSL Buffer

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Product Description

The PI6C4931504-04 is a high performance fanout buffer device which supports up to 250MHz frequency. This device is ideal for systems that need to distribute low jitter clock signals to multiple destinations.


  • 4 HCSL outputs
  • Up to 250MHz output frequency
  • Ultra low additive phase jitter: < 0.1 ps (typ)
  • Two selectable inputs
  • Low delay from input to output (Tpd typ. 1.5ns)
  • 2.5V / 3.3V power supply
  • Industrial temperature support
  • TSSOP-20 package


  • Networking systems including switches and Routers
  • High frequency backplane based computing and telecom platforms

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Standard
Function Buffer
Input Type(s) LVTTL, LVCMOS, Differential
Jitter RMS (ps) 0.1
Number of Outputs 4
Output Frequency (MHz) 250
Output Type(s) HCSL
Skew (PS) 40
Supply Voltage (V) 2.5, 3.3
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Recommended Soldering Techniques


Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
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Qty. Carrier
PI6C4931504-04LIE Active TSSOP-20 GREEN 74 TUBE


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Digi-Key Electronics 89 12/3/2022 Europe, Asia, North America Buy Now
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PI6C4931504-04LIEX Active TSSOP-20 TPGP 3000 T&R


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 1131 12/3/2022 South America, North America, Asia, Europe, Middle East Buy Now
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Environmental Compliance Legend:
LFF: Pb-Free Finish and RoHS 5/6
TLFP: Totally Pb-Free Product and RoHS 6/6
LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free
TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free