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MB88155 Datasheet Spread Spectrum Clock Generator

Manufacturer: Fujitsu Semiconductor Limited

Overview: .. FUJITSU SEMICONDUCTOR DATA SHEET DS04-29119-1E Spread Spectrum Clock Generator.

General Description

MB88155 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.

For modulation, the MB88155 supports both center-spreading and down-spreading.

Key Features

  • S.
  • Input frequency :.
  • 12.5 MHz to 50 MHz (Multiplied by 1) 12.5 MHz to 20 MHz (Multiplied by 4) Output frequency : CKOUT 12.5 MHz to 80 MHz REFOUT The same as input frequency (not multiplied) Modulation rate : ± 0.5%, ± 1.0% (center spread) ,.
  • 1.0%,.
  • 2.0% (Down spread) Equipped with oscillation circuit : range of oscillation 12.5 MHz to 40 MHz (Fundamental oscillation) 40 MHz to 48 MHz (3rd overtone) Modulation clock output Duty :.

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