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PCIe 3.0 Clock Generator with 6 HCSL Outputs

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Product Description

The PI6CFGL601B is a 6-output low-power 100MHz clock sythesizer for PCIe Gen 1-2-3. It runs from a 25MHz XTAL, provides spread spectrum capability, and has an SMBus for software control of the device. 


  • 25MHz crystal or reference clock input
  • 100MHz low power HCSL or LVDS compatible outputs
  • PCIe 3.0, 2.0 and 1.0 compliant
  • Selectable spread spectrum of -0.5% and no spread
  • Programmable output amplitude
  • Cycle-to-cycle jitter (typ.) ~ 30ps
  • Supply voltage of 3.3V+/-10%
  • Output supply voltage of 1.8V
  • Industrial ambient operating temperature
  • Available in lead-free package: 32-TQFN 


  • PCIe 3.0/2.0/1.0 clock generation 

Product Specifications

Product Parameters

Supply Voltage (V) 3.3
Jitter RMS (ps) <1
Skew (PS) 50
Output Frequency (MHz) 100
Input Type(s) Crystal, CMOS
Output Type(s) HCSL
Number of Outputs 6
Function Generator
Ambient or Junction Temperature (°C) -40 to 85

Technical Documents

Application information

Recommended Soldering Techniques


Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

Request Documents


Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
Contact Sales
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Qty. Carrier
PI6CFGL601BZHIEX Active W-QFN5050-32 TPGP 2500 T&R


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Digi-Key Electronics 36 12/3/2022 Europe, Asia, North America 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

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-2520 2021-05-27 2021-08-27 Qualified Additional Bump Site and Assembly/Test (A/T) Sites