Cypress CY25901 Spread Spectrum Clock Generator Datasheet

The CY25901 is a spread spectrum clock generator that 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.


Cypress CY25901 Spread Spectrum Clock Generator Datasheet - cover page
Brand
Cypress
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
5
File format
PDF
File size
87 KB
Published
06 June, 2012
Updated
30 September, 2023
MD5 checksum
EFAE358C1DFBAC8B5CE1C8DBE671C27C

About this manual

The document describes the CY25901 clock generator, which provides a low-electromagnetic interference (EMI) clock output using spread spectrum technology. It supports 40-MHz spread spectrum clock outputs with selectable bandwidths of 1% or 3%, along with reference and external clock inputs.

What's inside

  • Features
  • Pin Description
  • Absolute Maximum Ratings
  • DC Specifications
  • AC Specifications
  • Application Schematic
  • Ordering Information

Specifications

Input Frequency Range36 to 44 MHz
Output Rise Time3 ns max
Package Type8-pin SOIC

Frequently asked questions

What is the function of the SSON# pin?

When asserted low, the Spread Spectrum function is enabled.

How does the device reduce EMI?

It uses spread spectrum technology to modulate the clock frequency, distributing energy over a small bandwidth.

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