FemtoClock® Crystal-to-3.3V, 2.5V LVPECL Clock Synthesizer

GENERAL DESCRIPTION The 843022I-48 is a Fibre Channel Clock Generator. The 843022I-48 uses a 25MHz crystal to synthesize 125MHz or 75MHz. The 843022I-48 has excellent phase jitter perform-ance, over the 12kHz – 20MHz integration range. The 843022I-48 is packaged in a small 8-pin TSSOP, making

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FemtoClock Crystal-to-3.3V, 2.5V LVPECL Clock Synthesizer

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IDT

FemtoClock® Crystal-to-3.3V,2.5V LVPECL Clock Generator

The 843022I-48 is a Fibre Channel Clock Generator and a member of the high performance devices from IDT. The 843022I-48 uses a 25MHz crystal to synthesize 125MHz or 75MHz. The 843022I-48 has excellent phase jitter performance, over the 12kHz – 20MHz integration range. The 843022I-48 is packaged in a ·One differential 3.3V or 2.5V LVPECL output\n·Crystal oscillator interface designed for 25MHz, 18pF parallel resonant crystal\n·Output frequencies: 125MHz or 75MHz (selectable)\n·RMS phase jitter @ 125MHz, using a 25MHz crystal (12kHz - 20MHz): 0.72ps (typical) @ 3.3V\n·Full 3.3V and 2.5V operating;

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