Low Skew,1-to-5 Differential-to- LVDS,LVPECL Fanout Buffer

The 854S015-01 is a low skew, high performance 1-to-5, 2.5V, 3.3V Differential-to-LVPECL/ LVDS Fanout Buffer and a member of the HiPerClockS™ family of High Performance Clock Solutions from IDT. The 854S015-01 has two selectable differential clock inputs. Guaranteed output and part-to-part skew characteristics make the 854S015-01 ideal for those applications demanding well defined performance and repeatability.


  • Five differential LVDS or LVPECL outputs
  • Two differential clock input pairs
  • CLK, nCLK pair can accept the following differential input levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL
  • PCLK, nPCLK pair can accept the following differential input levels: LVPECL, CML, SSTL
  • Either CLK or PCLK inputs can be configured to accept single-ended inputs
  • Maximum output frequency: >2GHz
  • Output skew: 25ps (typical)
  • Propagation delay: 575ps (typical)
  • Full 3.3V or 2.5V power supply
  • 0°C to 70°C ambient operating temperature
  • Available in lead-free (RoHS 6) package

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
854S015CKI-01LF Active NLG24P1 VFQFPN 24 I Yes Tube Availability
854S015CKI-01LFT Active NLG24P1 VFQFPN 24 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
ICS854S015I-01 Datasheet Datasheet PDF 930 KB Oct 3, 2011
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 229 KB Jul 5, 2016
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 403 KB May 11, 2014
AN-840 Jitter Specifications for Timing Signals Application Note PDF 349 KB May 7, 2014
AN-834 Hot-Swap Recommendations Application Note PDF 67 KB May 5, 2014
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.06 MB Apr 23, 2014
AN-815 Understanding Jitter Units Application Note PDF 476 KB Apr 23, 2014
AN-805 Recommended Ferrite Beads Application Note PDF 38 KB Jan 14, 2014
PCN# : A1611-02 Add JCET China as Alternate Assembly and Change of Material Set at Alternate Assembly Location Product Change Notice PDF 583 KB Dec 19, 2016
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB Apr 28, 2016
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB Apr 24, 2016