The IDT932S421 is a main clock synthesizer for CK410B+ generation Intel server platforms. The IDT932S421 is driven with a 14.318MHz crystal. It generates 4 CPU outputs up to 400MHz and 5 PCIe Gen2 PCI-Express clocks. The 48 MHz USB clock is an exact 48.000 MHz clock.

Features

  • 4 - 0.7V HCSL differential CPU pairs
  • 5 - 0.7V HCSL differential SRC pairs
  • 4 - PCI (33MHz) 3.3V LVTTL outputs
  • 3 - PCICLK_F, (33MHz) 3.3V LVTTL free-running outputs
  • 1 - 48MHz 3.3V LVTTL output
  • 2 - 14.318MHz 3.3V LVTTL outputs
  • Phase Jitter: PCIe Gen2 < 3.0ps rms
  • Phase Jitter: PCIe Gen1 <86ps peak-peak

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
932S421BGLF Active PAG56 TSSOP 56 C Yes Tube
Availability
932S421BGLFT Active PAG56 TSSOP 56 C Yes Reel
Availability
932S421CGLF Active PAG56 TSSOP 56 C Yes Tube
Availability
932S421CGLFT Active PAG56 TSSOP 56 C Yes Reel
Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
932S421B Datasheet PDF 226 KB
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 229 KB
AN-844 Termination - AC Coupling Clock Receivers Application Note PDF 82 KB
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 403 KB
AN-840 Jitter Specifications for Timing Signals Application Note PDF 349 KB
AN-839 RMS Phase Jitter Application Note PDF 149 KB
AN-838 Peak-to-Peak Jitter Calculations Application Note PDF 32 KB
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.06 MB
AN-815 Understanding Jitter Units Application Note PDF 476 KB
AN-805 Recommended Ferrite Beads Application Note PDF 38 KB
AN-808 PCI Express/HCSL Termination Application Note PDF 54 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#: A1309-03 Additional Assembly Sources Product Change Notice PDF 398 KB
PCN# : A1305-01 Gold Wire to Copper Wire Product Change Notice PDF 148 KB
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products Product Change Notice PDF 361 KB
Other
Timing Solutions Products Overview Overview PDF 4.11 MB
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB

Software & Tools

Title Other Languages Type Format File Size Date
932S421b Model - IBIS ZIP 22 KB