Clocks & Timing

Overview

The 932SQ420 is an Intel CK420BQ main clock synthesizer for Romley-generation and newer Intel-based server platforms. The 932SQ420 is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100 or 133.33 MHz.

932SQ420 - Block Diagram
932SQ420D - Pinout
932SQ420 - Block Diagram
932SQ420D - Pinout
  • 4 - HCSL CPU outputs
  • 4 - HCSL Non-Spread SAS/SRC outputs
  • 3 - HCSL SRC outputs
  • 1 - HCSL DOT96 output
  • 1 - 3.3V 48M output
  • 5 - 3.3V PCI outputs
  • 1 - 3.3V 14.318M output
  • Phase jitter: PCIe Gen3 < 1ps rms
  • Phase jitter: PCIe Gen2 < 3.1ps rms
  • Phase jitter: PCIe Gen1 < 86ps peak to peak
  • Phase jitter: QPI 9.6GT/s < 0.2ps rms
  • Phase jitter: SAS <1.3ps rms64-TSSOP/QFN Package
Enterprise Server

Documentation

Title Type Date
932SQ420D Datasheet
PDF509 KB
Datasheet
AN-805 Recommended Ferrite Beads
PDF91 KB
Application Note
AN-827 Application Relevance of Clock Jitter
PDF1.99 MB
Application Note
AN-828 Termination - LVPECL
PDF322 KB
Application Note
AN-844 Termination - AC Coupling Clock Receivers
PDF170 KB
Application Note
AN-842 Thermal Considerations in Package Design and Selection
PDF495 KB
Application Note
AN-840 Jitter Specifications for Timing Signals
PDF442 KB
Application Note
AN-838 Peak-to-Peak Jitter Calculations
PDF115 KB
Application Note
AN-839 RMS Phase Jitter
PDF233 KB
Application Note
AN-815 Understanding Jitter Units
PDF565 KB
Application Note
AN-808 PCI Express/HCSL Termination
PDF137 KB
Application Note
932SQ420 Block Diagram
PNG27 KB
Block Diagram
932SQ420 Schematic
PDF48 KB
Other
PCI Express Timing Solutions Overview
PDF2.40 MB
Overview
IDT Clock Generation Overview
PDF1.83 MB
Overview
PCN# : A1904-01 Add Greatek, Taiwan as an Alternate Assembly Facility
PDF983 KB
Product Change Notice
PCN# : A1611-02 Add JCET China as Alternate Assembly and Change of Material Set at Alternate Assembly Location
PDF583 KB
Product Change Notice
PCN# : A1602-01(R1) Add Greatek Taiwan as Alternate Assembly
PDF611 KB
Product Change Notice
PCN# : A1602-01 Add Greatek Taiwan as Alternate Assembly
PDF611 KB
Product Change Notice
PCN# : A1511-01(R1) Add SPEL India as Alternate Assembly Location
PDF596 KB
Product Change Notice
PCN# : A1511-01 Add SPEL India as Alternate Assembly Location
PDF544 KB
Product Change Notice
PCN# : TB1504-01R1 Qty per Reel Standardization for Selective Packages
PDF95 KB
Product Change Notice
PCN# : TB1504-01 Qty per Reel Standardization for Selective Packages
PDF50 KB
Product Change Notice
PCN# : A1311-03R1 Alternate Assembly Locations
PDF43 KB
Product Change Notice
PCN# : A1311-03 Alternate Assembly Locations
PDF140 KB
Product Change Notice
PCN# : A1305-01 Gold Wire to Copper Wire
PDF148 KB
Product Change Notice
PCN# : K1101-01 New ordering Part#932SQ420DGLF & 932SQ420DKLF for Product Enhancement
PDF1.03 MB
Product Change Notice
PDN# : K-11-02 PRODUCT DISCONTINUANCE NOTICE ON SELECTED PC CLOCK DEVICES
PDF69 KB
Product Discontinuation Notice

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Explore ECAD Models

Models

Title Type Date
932SQ420D IBIS Model
ZIP25 KB
Model - IBIS

Product Options

    Processing table
    Part Number
    Pkg. Type
    Lead Count (#)
    Temp. Grade
    Pb (Lead) Free
    Carrier Type
    Buy / Sample
    932SQ420DGLF
    play_circleActive
    memory
    view_in_ar
    Samples Available
    		 TSSOP 64 C Yes Tube Get Samples,
    932SQ420DGLFT
    play_circleActive
    memory
    view_in_ar
    		TSSOP 64 C Yes Reel
    932SQ420DKLF
    play_circleActive
    memory
    view_in_ar
    Samples Available
    		 VFQFPN 64 C Yes Tray
    932SQ420DKLFT
    play_circleActive
    memory
    view_in_ar
    		VFQFPN 64 C Yes Reel
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    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product

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