The 557-06 is a two to four differential clock mux designed for use in PCI-Express applications. The device selects one of the two differential HCSL input pairs and fans out to four pairs of differential HCSL or LVDS outputs.

Features

  • Packaged in 20-pin TSSOP
  • Pb (lead) free packaging
  • Operating voltage of 3.3 V
  • Low power consumption
  • Input differential clock of up to 200 MHz
  • Jitter 60 ps (cycle-to-cycle)
  • Output-to-output skew of 50 ps
  • Available in industrial temperature range (-40 to +85°C)
  • For PCIe Gen2/3 applications, see the 5V41067A

Product Options

Part Number Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
557G-06LF
Package Info
 Active TSSOP 20 C Yes Tube
Availability

Buy / Quote
557G-06LFT
Package Info
 Active TSSOP 20 C Yes Reel
Availability
Buy / Quote
557GI-06LF
Package Info
 Active TSSOP 20 I Yes Tube
Availability

Buy / Quote
557GI-06LFT
Package Info
 Active TSSOP 20 I Yes Reel
Availability
Buy / Quote

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
557-06 Datasheet – Datasheet PDF 214 KB
Application Notes & White Papers
AN-828 Termination - LVPECL – Application Note PDF 322 KB
AN-844 Termination - AC Coupling Clock Receivers – Application Note PDF 170 KB
AN-843 PCI Express Reference Clock Requirements – Application Note PDF 1.90 MB
AN-842 Thermal Considerations in Package Design and Selection – Application Note PDF 495 KB
AN-840 Jitter Specifications for Timing Signals – Application Note PDF 442 KB
AN-834 Hot-Swap Recommendations – Application Note PDF 153 KB
AN-836 Differential Input to Accept Single-ended Levels – Application Note PDF 120 KB
AN-835 Differential Input with VCMR being VIH Referenced – Application Note PDF 160 KB
AN-827 Application Relevance of Clock Jitter – Application Note PDF 1.15 MB
AN-815 Understanding Jitter Units – Application Note PDF 565 KB
AN-805 Recommended Ferrite Beads – Application Note PDF 121 KB
PCNs & PDNs
PCN# : A1602-01(R1) Add Greatek Taiwan as Alternate Assembly – Product Change Notice PDF 611 KB
PCN# : A1602-01 Add Greatek Taiwan as Alternate Assembly – Product Change Notice PDF 611 KB
PCN# : A1511-01(R1) Add SPEL India as Alternate Assembly Location – Product Change Notice PDF 596 KB
PCN# : A1511-01 Add SPEL India as Alternate Assembly Location – Product Change Notice PDF 544 KB
PCN# : TB1504-01R1 Qty per Reel Standardization for Selective Packages – Product Change Notice PDF 95 KB
PCN# : TB1504-01 Qty per Reel Standardization for Selective Packages – Product Change Notice PDF 50 KB
PCN# : A1309-01 Changed of Traceability Mark Format – Product Change Notice PDF 439 KB
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products – Product Change Notice PDF 361 KB
Downloads
557-06 IBIS Model – Model - IBIS ZIP 6 KB
Other
Clock Distribution Overview 日本語 Overview PDF 217 KB
PCI Express Timing Solutions Overview – Overview PDF 275 KB
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB
info: For device-specific or order-specific documentation, submit a support request.

News & Additional Resources

Type Date
Comparing and Contrasting PCIe and Ethernet Clock Jitter Specifications Blog Post May 21, 2018
IDT Extends Leadership in Datacenter and Networking Systems with Launch of Its Latest PCI Express Timing Devices News Apr 30, 2018
An Insider’s Guide to Finding the Right Timing Device for Your System Blog Post Dec 18, 2017
Why Fanout Buffers Make More Sense Blog Post Nov 28, 2017
IDT Surpasses Milestone of 3 Million Low-Power PCIe Gen3 Buffers Shipped News Dec 18, 2014