CY2280PVC-21S Просмотр технического описания (PDF) - SpectraLinear Inc

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CY2280PVC-21S

100 MHz Pentium® II Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs

SpectraLinear Inc 

Switching Waveforms (continued)

APIC-APIC Clock Skew

APIC

CY2280

APIC

t9

CPU_STOP

CPUCLK

(Internal)

PCICLK

(Internal)

PCICLK

(Free-Running)

CPU_STOP

CPUCLK

(External)

PCI_STOP

CPUCLK

(Internal)

PCICLK

(Internal)

PCICLK

(Free-Running)

PCI_STOP

PCICLK

(External)

PWR_DOWN

CPUCLK

(Internal)

PCICLK

(Internal)

PWR_DWN

CPUCLK

(External)

PCICLK

(External)

VCO

Crystal

Shaded section on the VCO and Crystal waveforms indicates that the VCO and crystal oscillator are active, and there is a valid clock.

Rev 1.0, November 25, 2006

Page 7 of 11

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