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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS843204I
FEMTOCLOCKS™ CRYSTAL-TO3.
3V LVPECL FREQUENCY SYNTHESIZER
FEATURES
• Four 3.
3V LVPECL outputs • Selectable crystal oscillator interface or LV
CMOS/LVTTL single-ended input • Supports the following output frequencies: 155.
52MHz and 156.
25MHz • VCO range: 560MHz - 680MHz • RMS phase jitter @ 155.
52MHz, using a 19.
44MHz crystal (12kHz - 13MHz): 0.
86ps (typical) • RMS phase jitter @ 156.
25MHz, using a 19.
44MHz crystal (1.
875MHz - 20MHz): 0.
52ps (typical) • Full 3.
3V supply mode • -40°C to 85°C ambient operating temperature • Available in both standard and lead-free RoHS compliant packages
GENERAL DESCRIPTION
The ICS843...