FemtoClock®, Crystal-to-LVCMOS/LVTTL Frequency Synthesizer

General Description The 840002-01 is a two output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the two frequency select pins (F_SEL[1:0]): 156.25MHz, 125MH

FemtoClock®,Crystal-to-LVCMOS/LVTTL Frequency Synthesizer

The 840002-01 is a two output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the two frequency select pins (F_SEL[1:0]): 156.25MHz, 125MHz, and 62.5MHz. The 840002- ·Two LVCMOS/LVTTL outputs@ 3.3V, 17Ω typical output impedance\n·Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended TEST_CLK\n·Output frequency range: 56MHz to 175MHz\n·VCO range: 560MHz to 700MHz\n·Output skew: 12ps (maximum)\n·RMS phase jitter at 156.25MHz, (1.875MHz to 20MHz): 0.;

FEMTOCLOCKS??CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER

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