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CY24488 Quad PLL Clock Generator with Serial Interface (I2C) Features • Three output frequencies plus reference out • Programmable output frequencies via I2C serial interface • Output frequencies from 4.9152 to 148.5 MHz • Uses an external 27 MHz crystal or 27 MHz input
CY24293 Two Outputs PCI-Express Clock Generator Features ■ ■ ■ ■ ■ ■ ■ ■ Functional Description CY24293 is a two output PCI-Express clock generator device intended for networking applications. The device takes 25 MHz crystal or clock input and provides two pairs of differential out
CY24292 Four Outputs PCI-Express Clock Generator Four Outputs PCI-Express Clock Generator Features ■ 25 MHz Crystal or Clock Input ■ Four Differential 100 MHz PCI-Express Clocks ■ Supports HCSL Compatible Output Levels ■ One Single-ended 25 MHz Output ■ Spread Spectrum Capability on all 1
CY24272 Rambus XDR™ Clock Generator with Zero SDA Hold Time Rambus‚ XDR™ Clock Generator with Zero SDA Hold Time Features ■ ■ Meets Rambus Extended Data Rate (XDR™) clocking requirements 25 ps typical cycle-to-cycle jitter ❐ –135 dBc/Hz typical phase
CY24271 Rambus® XDR™ Clock Generator Rambus® XDR™ Clock Generator Features ■ Meets Rambus Extended Data Rate (XDR™) clocking requirements ■ 25 ps typical cycle-to-cycle jitter ❐ 135 dBc/Hz typical phase noise at 20 MHz offset ■ 100 or 133 MHz differential clock input ■ 300–80
39 CY24239 Spread Spectrum Frequency Timing Generator Features • Maximized EMI Suppression using Cypress’s Spread Spectrum Technology • –1.2% and –2.4% Spread Spectrum support • Three copies of CPU output • Seven copies of PCI output • One 48-MHz output for USB
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