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Overview

Description

The 9VRS4339 is an Intel CK-NET compatible main clock for Intel Netbooks, conforming to the CK-NET specification. It is driven with a 25MHz crystal and generates a variety of clocks, including an LCD clock. An SMBus interface allows full control of the device.

Features

  • Supports Wake_On_LAN (see pin 55 pin description)
  • Selectable spread % on CPU, SRC, PCI; Supports margining
  • Uses external 25MHz crystal, external crystal load caps are required for frequency tuning
  • CLKREQ# pins; Support SRC power management
  • Low power differential clock outputs driving 100 ohm differential traces; reduced power
  • Integrated 33ohm series resistors on all differential outputs; reduced board space
  • CPU outputs cycle-to-cycle jitter <85ps
  • SRC cycle-to-cycle jitter <85ps
  • SRC meets PCIEX Gen 2 specifications
  • SATA outputs cycle-to-cycle jitter <125ps
  • PCI outputs cycle-to-cycle jitter <500ps
  • ±100ppm frequency accuracy on all clocks

Comparison

Applications

Documentation

Type Title Date
Datasheet PDF 391 KB
Product Change Notice PDF 983 KB
Product Change Notice PDF 583 KB
Guide PDF 296 KB
4 items

Design & Development

Models

ECAD Models

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

Diagram of ECAD Models

Product Options

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