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W185 - Six Output Peak Reducing EMI Solution

General Description

Modulated Frequency Outputs: Frequency modulated copies of the unmodulated input clock (SSON# asserted).

Crystal Connection or External Reference Frequency Input: This pin has dual functions.

It may either be connected to an external crystal, or to an external reference clock.

Key Features

  • Cypress PREMIS™ family offering.
  • Generates an EMI optimized clocking signal at the output.
  • Selectable output frequency range.
  • Six 1.25%, 3.75%, or 0% down or center spread outputs.
  • One non-Spread output of Reference input.
  • Integrated loop filter components.
  • Operates with a 3.3V or 5V supply.
  • Low power CMOS design.
  • Available in 24-pin SSOP (Shrink Small Outline Package).
  • Outputs may be selectively disabled.

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Other Datasheets by Cypress (now Infineon)

Part Number Description
W185-5 Six Output Peak Reducing EMI Solution
W180 Peak Reducing EMI Solution
W181 Peak Reducing EMI Solution
W182 Full Feature Peak Reducing EMI Solution
W182-5 Full Feature Peak Reducing EMI Solution

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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W185 Six Output Peak Reducing EMI Solution Features • Cypress PREMIS™ family offering • Generates an EMI optimized clocking signal at the output • Selectable output frequency range • Six 1.25%, 3.75%, or 0% down or center spread outputs • One non-Spread output of Reference input • Integrated loop filter components • Operates with a 3.3V or 5V supply • Low power CMOS design • Available in 24-pin SSOP (Shrink Small Outline Package) • Outputs may be selectively disabled Table 1. Modulation Width Selection SS% 0 1 W185 Output Fin ≥ Fout ≥ Fin – 1.25% Fin ≥ Fout ≥ Fin – 3.75% W185-5 Output Fin + 0.625% ≥ Fin≥ – 0.625% Fin + 1.875% ≥ Fin≥ –1.875% Table 2.