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CY25901 - Spread Spectrum Clock Generator

Description

The CY25901 clock generator provides a low-electromagnetic interference (EMI) clock output.

Features

  • Supports clock requirements for Spread Spectrum 40-MHz Spread Spectrum clock output Reference clock output Two spread bandwidths: 1%, 3% External clock or Cera-Lock input 3.3V operation 8-pin SOIC package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CY25901 Spread Spectrum Clock Generator Features • • • • • • • Supports clock requirements for Spread Spectrum 40-MHz Spread Spectrum clock output Reference clock output Two spread bandwidths: 1%, 3% External clock or Cera-Lock input 3.3V operation 8-pin SOIC package Description The CY25901 clock generator provides a low-electromagnetic interference (EMI) clock output. It features Spread Spectrum technology, a modulation technique designed specifically for reducing EMI at the fundamental frequency and its harmonics. Table 1. Function Table CLKOUT (Spread Spectrum) SSSEL 0 1 X (don’t care) SSON 0 0 1 REFOUT XIN XIN XIN CY25901SC = XIN ± 0.35% (0.7% center) = XIN ± 1.20% (2.4% center) = XIN (No Spread) CY25901SC-1 = XIN ± 0.5% (1.0% center) = XIN ± 1.5% (3.
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