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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS843256
FEMTOCLOCKS™ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
FEATURES
• Six LVPECL outputs • Crystal oscillator interface • Output frequency range: 53.125MHz to 333.3333MHz • Crystal input frequency range: 25MHz to 33.333MHz • RMS phase jitter at 125MHz, using a 25MHz crystal (1.875MHz to 20MHz): 0.33ps (typical) • Full 3.3V or 3.3V core, 2.5V output supply mode • 0°C to 70°C ambient operating temperature • Industrial temperature information available upon request • Available in both standard and lead-free RoHS-compliant packages
Function
GENERAL DESCRIPTION
The ICS843256 is a Crystal-to-3.