AMD Geode™ GX2 Clock Source

The MK1491-09 is a low cost, low jitter, high performance clock synthesizer for AMD's Geode™ GX2 processor for information appliance applications. Using patented analog Phase-Locked Loop (PLL) techniques, the device accepts a 14.318 MHz crystal input to produce multiple output clocks. It provides selectable PCI local bus clocks, 48 MHz clocks for Super I/O and USB, as well as multiple Reference outputs. The device has a power down mode to reduce power consumption.

Features

  • Packaged in 28-pin (209 mil) SSOP
  • Available in Pb (lead) free annealed package
  • Provides all critical timing for the AMD GX2 companion chip
  • Four selectable PCI clocks
  • Three LPC interface clocks
  • One fixed 66 MHz clock
  • Two reference clocks
  • 48 MHz USB and 48 MHz I/O support
  • Power-down mode
  • Low EMI Enable reduces EMI radiation on PCI clocks, LCLKS, and 66 MHz clock
  • Operating voltage of 3.3 V

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
MK1491-09FILN Active PYG28 SSOP 28 I Yes Tube Availability
MK1491-09FILNTR Active PYG28 SSOP 28 I Yes Reel Availability
MK1491-09FLN Active PYG28 SSOP 28 C Yes Tube Availability
MK1491-09FLNTR Active PYG28 SSOP 28 C Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
mk149109 Datasheet PDF 211 KB May 16, 2010
PCNs & PDNs
PCN# : TB1504-01R1 Qty per Reel Standardization for Selective Packages Product Change Notice PDF 95 KB Oct 21, 2015
PCN# : TB1504-01 Qty per Reel Standardization for Selective Packages Product Change Notice PDF 50 KB Jul 20, 2015
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products Product Change Notice PDF 361 KB Mar 23, 2013
PCN# : A1208-01R1 Gold to Copper Wire Product Change Notice PDF 254 KB Dec 20, 2012

Software & Tools

Title Other Languages Type Format File Size Date
mk149_09 Model - IBIS ZIP 25 KB Mar 13, 2006