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Cypress Ships Programmable Spread-Spectrum Clock Generators For EMI Reduction.


Business Editors/High-Tech Writers

SAN JOSE, Calif.--(BUSINESS WIRE)--April 20, 2004

Timing Solution With Versatile Programming Features and

Multi-Function Outputs Benefits High-Speed Digital Systems

Such as PC Peripherals, Networking and Consumer Applications

Cypress Semiconductor Corp. (NYSE NYSE

See: New York Stock Exchange
:CY), a world leader in timing-technology solutions, announced volume production of its programmable spread-spectrum clock generator (SSCG SSCG Spread Spectrum Clock Generation
SSCG Single-Surface Corrugated Guide
SSCG Strategic Sourcing Coordination Group
SSCG Sierra Sports Car Group
). The CY25200ZZC ZZC Zero-Zero Conditions  offers versatile programming features, multi-function outputs and control pins, enabling this single-chip SSCG to replace alternative two-chip solutions while significantly reducing electro-magnetic interference (EMI (ElectroMagnetic Interference) An electrical disturbance in a system due to natural phenomena, low-frequency waves from electromechanical devices or high-frequency waves (RFI) from chips and other electronic devices. Allowable limits are governed by the FCC. ).

Today's high-speed digital electronic systems are a breeding ground for EMI; spread spectrum technology is a highly effective way to reduce it. The CY25200ZZC features unsurpassed flexibility and provides a wide range of spread percentages for maximum EMI reduction. By integrating frequency synthesis and input gain block into the CY25200ZZC, the device can run effectively with any crystal or crystal oscillator input. By using this device, Cypress customers can eliminate difficult to use higher-order crystals or crystal oscillators.

"The challenge of designing high-speed digital systems today is meeting higher performance demands while effectively reducing EMI," said Mehdi Behnami, product marketing manager for Cypress's Timing Technology Division. "The CY25200ZZC significantly reduces the cost of complying with electro magnetic compliance (EMC (1) (EMC Corporation, Hopkinton, MA, www.emc.com) The leading supplier of storage products for midrange computers and mainframes. Founded in 1979 by Richard J. Egan and Roger Marino, EMC has developed advanced storage and retrieval technologies for the world's largest companies. ) standards, at the same time speeding time-to-market without degrading system performance."

The CY25200ZZC features six clock outputs and offers a wide operating output frequency range, which enables designers to program the EMI reduction from 3 to 200 MHz (MegaHertZ) One million cycles per second. It is used to measure the transmission speed of electronic devices, including channels, buses and the computer's internal clock. A one-megahertz clock (1 MHz) means some number of bits (16, 32, 64, etc. . In order to meet regulatory agency electromagnetic compliance (EMC) requirements, programmable spread-spectrum feature provide a wide range of down or center spread percentages (0.5 to 5.0%) for maximum EMI reduction. Depending on the application, the CY25200ZZC provides up to 20 dB EMI reduction using a worst-case harmonic.

Pricing and Availability

The CY25200ZZC is available now in a 16-pin TSSOP TSSOP Thin Shrink Small Outline Package
TSSOP Thin Scale Small Outline Package
 package with a commercial operating temperature range of 0 to 70 degrees C. The CY25200ZZZ ZZZ Buzzing
ZZZ Sleeping, Bored, Tired
ZZZ Increasing Degrees of Contraction
 is priced at $1.35 per unit in 1,000 unit quantities.

For more information on SSCG products, visit the Cypress website at http://www.cypress.com/products/link.cfm?pf=premis.

Photo

A high-resolution photo of the CY25200ZZC product is available at http://www.cypress.com/support/link.cfm?mr=cy25200zzc.

About Cypress

Cypress Semiconductor Corp. (NYSE:CY) is Connecting From Last Mile to First Mile(TM) with high-performance solutions for personal, network access, enterprise, metro switch and core communications-system applications. Cypress Connects(TM) using wireless, wireline, digital and optical transmission standards, including USB USB
 in full Universal Serial Bus

Type of serial bus that allows peripheral devices (disks, modems, printers, digitizers, data gloves, etc.) to be easily connected to a computer.
, Fibre Channel, SONET/SDH, Gigabit Ethernet and DWDM (Dense WDM) The term given to wavelength division multiplexing (WDM) when significantly more channels were being added. Since WDM is increasingly more "dense" all the time, both terms are used synonymously. See WDM.

DWDM - wavelength division multiplexing
. Leveraging its process and system-level expertise, Cypress makes industry-leading physical layer devices, framers and network search engines, along with a broad portfolio of high-bandwidth memories, timing technology solutions and reconfigurable mixed-signal arrays. More information about Cypress is accessible online at www.cypress.com.

Cypress and the Cypress logo are registered trademarks of Cypress Semiconductor Corporation. "Connecting From Last Mile to First Mile" and "Cypress Connects" are trademarks of Cypress. All other trademarks are the property of their respective owners.
COPYRIGHT 2004 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2004, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Geographic Code:1USA
Date:Apr 20, 2004
Words:495
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