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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840004-01
FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• Four LVCMOS/LVTTL outputs, 15Ω typical output impedance • Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input • Output frequency Range: 56MHz - 175MHz • VCO Range: 560MHz - 700MHz • RMS phase jitter at 156.25MHz (1.875MHz - 20MHz): 0.52ps (typical) design target Phase noise: Offset Noise Power
GENERAL DESCRIPTION
The ICS840004-01 is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet HiPerClockS™ reference clock frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from ICS.