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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840004-11
FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• Four LVCMOS/LVTTL outputs, 15Ω typical output impedance • Crystal oscillator interface • Input frequency range: 22.4MHz to 28MHz • Output frequency Range: 56MHz - 140MHz • VCO Range: 560MHz - 700MHz • RMS phase jitter at 125MHz (1.875MHz - 20MHz): 0.70ps (typical) • RMS phase noise at 125MHz: • Full 3.3V supply • 0°C to 70°C ambient operating temperature • Available in both standard and lead-free RoHS-compliant packages
GENERAL DESCRIPTION
The ICS840004-11 is a 4 output LVCMOS/ LVTTL Synthesizer optimized to generate HiPerClockS™ Ethernet reference clock frequencies and is a member of the HiPerClocks TM family of high performance clock solutions from ICS.