ABE0125

A BE0125 L ow EMI Spread Spectrum Multiplier Clock F EATURES • • • • • • • • S pread Spectrum clock with frequency range of 33 ~ 90MHz. O utput frequency 1X the input frequency. L ess than 250 ps skew between outputs. L ess than 100 ps cycle - cycle jitter. ± 0.50% Center Spread Modulation (+/-15% tolerance). T TL/CMOS compatible outputs. 3 .3V operation. A vailable in 8-Pin 150mil SOIC. P IN CONFIGURATION FIN CLK2 CLK1 GND 1 8 CLK5 CLK4 VDD CLK3 ABE0125 2 3 4 7 6 5 FIN = 33 ~ 90 Mhz D ESCRIPTION T he ABE0125 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in highspeed digital systems. The device is designed to operate from 33 ~ 90MHz and provides five low-skew outputs. B LOCK DIAGRAM CLK1 CLK2 FIN PLL SST 1X CLK3 CLK4 CLK5 3 0332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 w ww.Abracon.com 0 3/21/05 Page 1 A BE0125 L ow EMI Spread Spectrum Multiplier Clock P IN DESCRIPTIONS N ame F IN C LK2 C LK1 G ND C LK3 V DD C LK4 C LK5 Number 1 2 3 4 5 6 7 8 Type I O O I O P O O Description Input Clock Frequency. ( 33 ~ 90MHz ) Buffered Clock Output. 1X the input frequency Buffered Clock Output. 1X the input frequency Ground. Buffered Clock Output. 1X the input frequency 3.3V Power Supply. Buffered Clock Output. 1X the input frequency Buffered Clock Output. 1X the input frequency ( FIN ). ( FIN ). ( FIN ). ( FIN ). ( FIN ). E LECTRICAL SPECIFICATIONS 1 . Absolute Maximum Ratings P ARAMETERS S upply Voltage I nput Voltage, dc O utput Voltage, dc S torage Temperature A mbient Operating Temperature* J unction Temperature L ead Temperature (soldering, 10s) E SD Protection, Human Body Model SYMBOL V DD VI VO TS TA TJ MIN. - 0.5 - 0.5 - 65 - 40 MAX. 4 .6 V DD +0.5 V DD +0.5 150 85 1 25 260 2 UNITS V V V °C °C °C °C kV E xposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specification is not implied. * N ote : Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2 . Electrical Characteristics P ARAMETERS S upply Voltage I nput Low Voltage I nput High Voltage I nput Low Current I nput High Current O utput Low Voltage O utput High Voltage S upply Current SYMBOL V DD V IL V IH I IL I IH V OL V OH I DD CONDITIONS MIN. 2 .97 2 .0 TYP. MAX. 3.63 0 .8 UNITS V V V µA µA V V mA V IN = 0 V V IN = V DD I OL = 5 0 mA I OH = 5 0 mA U nloaded outputs at 75MHz, SEL inputs at V DD o r GND 2.4 19 0 .10 0.25 2.9 30.0 50.0 100.0 0.4 40.0 3 0332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 w ww.Abracon.com 0 3/21/05 Page 2 A BE0125 L ow EMI Spread Spectrum Multiplier Clock 3 . Timing Characteristics P ARAMETERS I nput Frequency R ise Time F all Time O utput Duty Cycle I nput to Output Delay C ycle to Cycle Jitter SYMBOL F IN Tr Tf DT T cyc-cyc CONDITIONS M easured at 0.8V ~ 2.0V @ 3.3V M easured at 2.0V ~ 0.8V @ 3.3V MIN. 33 0.8 0.78 45 2 TYP. 0.95 0.85 50 MAX. 90 1.1 0.9 55 4 100 UNITS MHz ns ns % ns ps O ver output frequency range @ 3.3V 3 0332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 w ww.Abracon.com 0 3/21/05 Page 3 A BE0125 L ow EMI Spread Spectrum Multiplier Clock P ACKAGE INFORMATION 8 PIN Narrow SOIC ( mm ) SOIC Symbol A A1 B C D E H L e Min. 1.47 0.10 0.33 0.19 4.80 3.80 5.80 0.38 1.27 BSC Max. 1.73 0.25 0.51 0.25 4.95 4.00 6.20 1.27 A1 B e C L A D E H ORDERING INFORMATION F or part ordering, please contact our Sales Department: 3 0332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 P ART NUMBER T he order number for this device is a combination of the following: Device number, Package type and Operating temperature range A BE0125 P ART NUMBER SC T EMPERATURE C=COMMERCIAL I=INDUSTRIAL P ACKAGE TYPE S=SOIC O rder Number A BE0125SC-T ABE0125SC Marking ABE0125SC ABE0125SC Package Option SOIC -Tape and Reel SOIC –Tube A bracon Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information furnished by Abracon is believed to be accurate and reliable. However, Abracon makes no guarantee or warranty concerning the accuracy of said information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product. L IFE SUPPORT POLICY : Abracon’s products are not authorized for use as critical components in life support devices or systems without the express written approval of the President of Abracon Corporation. 3 0332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 w ww.Abracon.com 0 3/21/05 Page 4