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CY26121 - Spread Spectrum Clock Generator

Description

Document #: 38-07350 Rev.

Exceeding maximum ratings may impair the useful life of the device.

These user guidelines are not tested.

0.5 to +7.0V DC Input Voltage 0.5V

Features

  • Benefits.
  • Integrated phase-locked loop (PLL) Low jitter, high-accuracy outputs 3.3V operation 25-MHz input frequency 66.66-MHz or 33.33-MHz selectable output frequency (orig, -3,-11,-31) 33.33-MHz or 25-MHz selectable output frequency (-2,-21) High-performance PLL tailored for Spread Spectrum.

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Full PDF Text Transcription

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CY26121 PacketClock™ Spread Spectrum Clock Generator Features ■ ■ ■ ■ ■ ■ Benefits ■ ■ ■ ■ ■ Integrated phase-locked loop (PLL) Low jitter, high-accuracy outputs 3.3V operation 25-MHz input frequency 66.66-MHz or 33.33-MHz selectable output frequency (orig, -3,-11,-31) 33.33-MHz or 25-MHz selectable output frequency (-2,-21) High-performance PLL tailored for Spread Spectrum application Meets critical timing requirements in complex system designs Enables application compatibility Works with commonly available crystal or driven reference Downspread Spread Spectrum with 30-kHz nominal modulation frequency Table 1. Frequency Table for CLKA-D Part Number CY26121 CY26121-2 CY26121-3 CY26121-11 CY26121-21 CY26121-31 CLKSEL=0 66.66 MHz 33.33 MHz 66.66 MHz 66.66 MHz 33.33 MHz 66.
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