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

Part Number Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Active TSSOP 56 C Yes Tube
Availability
Active TSSOP 56 C Yes Reel
Availability

Documentation

Title language Type Format File Size Date
Datasheets & Errata
932S421B Datasheet Datasheet PDF 260 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-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-838 Peak-to-Peak Jitter Calculations Application Note PDF 115 KB
AN-839 RMS Phase Jitter Application Note PDF 233 KB
AN-815 Understanding Jitter Units Application Note PDF 565 KB
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.15 MB
AN-805 Recommended Ferrite Beads Application Note PDF 121 KB
AN-808 PCI Express/HCSL Termination Application Note PDF 137 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
PDN# : CQ-20-05 End-of-Life (EOL) Process on Select Part Numbers Product Discontinuation Notice PDF 720 KB
Other
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB

Downloads

Title language Type Format File Size Date
Models
932S421b Model - IBIS ZIP 22 KB