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MB88156 - Spread Spectrum Clock Generator

Description

MB88156 is a clock generator for EMI (Electro Magnetic Interference) reduction.

The peak of unnecessary radiation noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the internal modulator.

Features

  • S.
  • Input frequency : 12.5 MHz to 50 MHz (multiplied by 1) 12.5 MHz to 25 MHz (multiplied by 2) 12.5 MHz to 20 MHz (multiplied by 4) CKOUT 12.5 MHz to 80 MHz REFOUT the same as input frequency (not multiplied) (Continued).
  • Output frequency :.

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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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www.DataSheet4U.com FUJITSU SEMICONDUCTOR DATA SHEET DS04-29120-1E Spread Spectrum Clock Generator MB88156 ■ DESCRIPTION MB88156 is a clock generator for EMI (Electro Magnetic Interference) reduction. The peak of unnecessary radiation noise (EMI) can be attenuated by making the oscillation frequency slightly modulate periodically with the internal modulator. The modulation corresponds to the center spread and down spread. The multiplication ratio can be changed by the pin setting. Also, the pin can be set whether the modulation is changed. For no modulation, it has the center-non-spread to fix to the output frequency conforming to the multiplication setting and down-non-spread to fix the output frequency to center frequency of the down spread. ■ FEATURES • Input frequency : 12.
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