Document Number: 38-07112 Rev. *F

Revised September 21, 2007

Page 12 of 12

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CY25811/12/14(s)

Cypress Semiconductor Corporation, 2007. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any

circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical,

life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical

components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems

application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign),

United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of,

and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress

integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without

the express written permission of Cypress.

Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not

assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where

a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer

assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

Document History Page

Document Title: CY25811/12/14 Spread Spectrum Clock Generator

Document Number: 38-07112

Issue

Date

Change

**

107516

06/14/02

NDP

*A

108002

06/29/02

NDP

*B

121578

01/29/03

RGL

REV. ECN NO.

Orig. of

Description of Change

Converted from IMI to Cypress

Deleted Junction Temp. in Absolute Maximum Ratings

Converted from Word to FrameMaker

Added 8-pin TSSOP package in Commercial Temp. only

Added an Industrial Temperature Range to all existing 8-pin SOIC packages

Changed IDD values from 19.6/22/27.2 to 25/30/35 in Commercial Grade DC Specs

table

Changed IDD values from 24/26.5/33 to 26/32/37 in Industrial grade DC Specs table

Changed T

CCJ1/2

values from 675/260 to 800/450 in Commercial grade AC Specs table

Changed T

CCJ1

value from 350 to 650 in Industrial grade AC Specs table

Removed automotive in the Applications section

Changed the Output Clock Duty Cycle (T

DCOUT

) from min. 45 and max. 55 to 40 and

60% respectively for both industrial and commercial grade

Changed the min. Input Low Voltage (V

IL

) from 0.15V

DD

to 0.13V

DD

Removed preliminary from the industrial AC/DC Electrical Specifications table

Added Pb Free Devices

Updated Ordering Information table

Corrected jitter values in features section on page 1

Changed:VDD from ±5% to ±10%, CIN1 min from 6 to 3.5 pF, CIN2 min from 3.5 to 2.8

pF, TF1 min from 2 to 1.6 ns, and TF2 min from 1.0 to 0.8 ns.

Commercial grade: IDD1 max from 25 to 28 mA, IDD2 max from 30 to 33 mA, IDD3

max from 35 to 40 mA, TCCJ2 from 450 to 480 ps, TCCJ4 from 380 to 450 ps, and

TCCJ5 from 380 to 550 ps

Industrial grade: IDD1 max from 26 to 28 mA, IDD2 max from 32 to 33 mA, IDD3 max

from 37 to 41 mA, TCCJ2 from 400 to 630 ps,and TCCJ3 from 400 to 520 ps

*C

125550

05/14/03

RGL

*D

131941

12/24/03

RGL

*E

*F

231057

1499165

See ECN

See ECN

RGL

KVM