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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS844004I-04
FEMTOCLOCKS™CRYSTAL/LVCMOS-TOLVDS FREQUENCY SYNTHESIZER
FEATURES
• Four LVDS outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input • Supports the following applications: SONET/SDH, SATA, or 10Gb Ethernet • Output frequency range: 140MHz - 170MHz, 560MHz - 680MHz • VCO range: 560MHz - 680MHz • Crystal oscillator and CLK range: 17.5MHz - 21.25MHz • RMS phase jitter @ 622.08MHz output, using a 19.44MHz crystal (12kHz - 20MHz): 0.71ps (typical) • RMS phase jitter @ 156.25MHz output, using a 19.53125MHz crystal (1.875MHz - 20MHz): 0.51ps (typical) • RMS phase jitter @ 155.52MHz output, using a 19.44MHz crystal (12kHz - 5MHz): 0.75ps (typical) • Full 3.