MK1491-09 AMD Geode™ GX2 Clock Source Description The MK1491-09 is a low-cost, low-jitter, high-performance clock synthesizer for AMD’s Geode-based computer and portable appliance applications.
Using patented analog Phased-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 multiple power-down modes to reduce power consumption.
Features • Packaged in 28-pin SSOP (209 mil body) • Available in Pb (lead) free packaged • Provides all critical timing for the AMD Geode companion chip • • • • • • • Four ...

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