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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840001-31
FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• (2) LVCMOS/LVTTL outputs, 20Ω typical output impedence (1) Main clock output (Q) (1) Three-state reference clock output (REF_CLK) • Crystal oscillator interface can accept 26.5625MHz or 40MHz 18pF parallel resonant crystals • Output frequency range: 106.25MHz or 100MHz • VCO range: 490MHz to 640MHz • RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal (637kHz - 10MHz): 0.38ps (typical) • 3.3V operating supply • 0°C to 70°C ambient operating temperature
GENERAL DESCRIPTION
The ICS840001-31 is a two output LVCMOS/ LVTTL Synthesizer and a member of the HiPerClockS™ HiPerClocks TM family of high perfor mance devices from ICS.