Overview

The 932SQ425 is a reduced-pin-count main clock synthesizer for Intel Romley-generation server platforms. The 932SQ425 is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100 or 133.33 MHz.

932SQ425 - Block Diagram
932SQ425 - Pinout
932SQ425 - Block Diagram
932SQ425 - Pinout
  • 3 - HCSL CPU outputs
  • 3 - HCSL Non-Spread SAS/SRC outputs
  • 2 - HCSL SRC outputs
  • 1 - HCSL DOT96 output
  • 1 - 3.3V 48M output
  • 3 - 3.3V PCI outputs
  • 1 - 3.3V 14.318M output
  • 0.5% down spread capable on CPU/SRC/PCI outputs
  • Lower EMI
  • 56-pin MLF package
  • 21% space savings compared to 932SQ420 64-pin MLF
  • Cycle to cycle jitter: CPU/SRC/NS_SRC/NS_SAS <50ps
  • Phase jitter: PCIe Gen2 <3ps rms
  • Phase jitter: PCIe Gen3
  • Phase jitter: QPI 9.6GB/s <0.2ps rms
  • Phase jitter: NS-SAS <0.4ps rms using raw phase data
  • Phase jitter: NS-SAS <1.3ps rms using Clk Jit Tool 1.6.3

Documentation

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
Diagram of ECAD Models

Product Options

    Processing table
    Pkg. Type
    Lead Count (#)
    Temp. Grade
    Pb (Lead) Free
    Carrier Type
    Buy / Sample
    Part Number
    932SQ425AKLF
    circleObsolete
    memory
    view_in_ar
    		VFQFPN 56 C Yes Tray
    932SQ425AKLFT
    circleObsolete
    memory
    view_in_ar
    		VFQFPN 56 C Yes Reel
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