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Cypress Ships Programmable PREMIS Spread Spectrum Clock Oscillator With Embedded High-Frequency Crystal.


SAN JOSE, Calif. -- Reliable Reference Crystal and Clock Combination Ideal for Home Office Equipment, LCD Projectors, Communications Network Equipment, Test and Measurement and Digital Embedded Systems

Cypress Semiconductor Corp. (NYSE NYSE

See: New York Stock Exchange
:CY), a world leader in timing-technology solutions, today announced volume production of its CY25701 programmable Spread Spectrum Crystal Oscillator (SSXO) with a high-frequency reference crystal in a single package. The onboard crystal has been specified, designed, and tested to operate with Cypress's feature-rich, programmable Peak Reducing 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.  Solutions (PREMIS PREMIS Pesticide Residue Elimination Management Information Service
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(TM)) Spread Spectrum chip which significantly reduces design and test time, and product development cost as compared to an external crystal solution.

By integrating frequency synthesis and Spread Spectrum clock functions into the device, the CY25701 runs efficiently with the onboard crystal. By using this device, designers can eliminate difficult-to-use, higher-order crystals or crystal oscillators--saving them time, money and board space. In addition, the frequency programmability of the SSXO enables designers to set a wide range of spread percentages for maximum electromagnetic interference See EMI.  (EMI) reduction.

"Considering that there are over 10,000 crystal types in the marketplace worldwide, it's a huge undertaking to match a crystal to any given clock generator," said Cavit Ozdalga, product marketing manager for Cypress's Timing Technology Division. "The CY25701 eliminates repeated customer design and test cycles by providing reliable operation between the reference crystal and the Spread Spectrum clock generator."

The CY25701 SSXO offers a wide, programmable operating output frequency range, enabling designers to program the clock frequency from 10 to 166 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 regulatory agency

Independent government commission charged by the legislature with setting and enforcing standards for specific industries in the private sector. The concept was invented by the U.S.
 electromagnetic compliance requirements, the programmable Spread Spectrum feature provides a wide range of down- or center-spread percentages (0.5 to 4.0%) for maximum EMI reduction. Depending on the application, the CY25701 provides up to 20 dB EMI reduction, based on a worst-case harmonic.

The CY25701 is an extension of Cypress's current line of programmable EMI reduction clocks including the highly successful multiple-output CY25100 and CY25200 which, unlike the CY25701, require an external crystal.

A non-spread, pin-compatible version of the CY25701 will be available in late Q404. The CY25702 enables customers to design in a crystal oscillator with protection in their back pocket. If they should fail EMI testing, the problem can be resolved by simply dropping in the spread spectrum version, CY25701. This ensures flexibility in design, whatever the customers' needs may be.

Pricing and Availability

The CY25701 is available now in a 4-Pin SMD (1) (Storage Module Device) A high-performance hard disk interface used with minis and mainframes that transfers data in the 1-4 MBytes/sec range (SMD-E provides highest rate). See hard disk.  package and is priced at $3.26 per unit in 1,000 unit quantities. For more information on SSCG SSCG Spread Spectrum Clock Generation
SSCG Single-Surface Corrugated Guide
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 products, visit the Cypress website at http://www.cypress.com/products/link.cfm?pf=premis. As with all programmable clocks, this device will be supported by Cypress FAEs and Cypress's World Wide Distributors. Cypress equips its FAEs with portable programmers to create prototypes for customers on the spot. Distributors are equipped with mass programmers and programming centers. This enables them to create production parts for customers, with short cycle times.

Photo

A high-resolution photo of the CY25701 product is available by emailing Cypress public relations public relations, activities and policies used to create public interest in a person, idea, product, institution, or business establishment. By its nature, public relations is devoted to serving particular interests by presenting them to the public in the most  at KLS KLS KLM Luchtvaartschool (KLM Flight Academy; Eelde, The Netherlands)
KLS Kit Letter Designator
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KLS Key List Server
@cypress.com.

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. PREMIS, "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:Dec 14, 2004
Words:638
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