ABE0125 Low EMI Spread Spectrum Multiplier Clock FEATURES • • • • Spread Spectrum clock with frequency range of 33 ~ 90MHz. Output frequency 1X the input frequency. Less than 250 ps skew between outputs. Less than 100 ps cycle - cycle jitter. ±0.50% Center Spread Modulation (+/-15% tolerance). TTL/CMOS compatible outputs. 3.3V operation. Available in 8-Pin 150mil SOIC. FIN 1 CLK2 2 CLK1 3 GND 4 ABE0125 • • • • PIN CONFIGURATION 8 CLK5 7 CLK4 6 VDD 5 CLK3 FIN = 33 ~ 90 Mhz DESCRIPTION The 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. BLOCK DIAGRAM CLK1 CLK2 FIN PLL SST 1X CLK3 CLK4 CLK5 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1 ABE0125 Low EMI Spread Spectrum Multiplier Clock PIN DESCRIPTIONS Name Number Type FIN CLK2 CLK1 GND CLK3 VDD CLK4 CLK5 1 2 3 4 5 6 7 8 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 ). ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS SYMBOL MIN. V DD VI VO TS TA TJ -0.5 -0.5 -65 -40 Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Ambient Operating Temperature* Junction Temperature Lead Temperature (soldering, 10s) ESD Protection, Human Body Model MAX. UNITS 4.6 V DD +0.5 V DD +0.5 150 85 125 260 2 V V V °C °C °C °C kV Exposure 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. * Note: Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2. Electrical Characteristics PARAMETERS SYMBOL Supply Voltage Input Low Voltage Input High Voltage Input Low Current Input High Current Output Low Voltage Output High Voltage V DD V IL V IH I IL I IH V OL V OH Supply Current I DD CONDITIONS MIN. TYP. MAX. UNITS 3.63 0.8 V V V 19 0.10 0.25 2.9 50.0 100.0 0.4 µA µA V V 30.0 40.0 mA 2.97 2.0 V IN = 0V V IN = V DD I OL = 50 mA I OH = 50 mA Unloaded outputs at 75MHz, SEL inputs at V DD or GND 2.4 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2 ABE0125 Low EMI Spread Spectrum Multiplier Clock 3. Timing Characteristics PARAMETERS SYMBOL Input Frequency Rise Time Fall Time Output Duty Cycle Input to Output Delay Cycle to Cycle Jitter F IN Tr Tf DT T cyc-cyc CONDITIONS Measured at 0.8V ~ 2.0V @ 3.3V Measured at 2.0V ~ 0.8V @ 3.3V Over output frequency range @ 3.3V MIN. TYP. 33 0.8 0.78 45 2 0.95 0.85 50 MAX. UNITS 90 1.1 0.9 55 4 100 MHz ns ns % ns ps 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3 ABE0125 Low EMI Spread Spectrum Multiplier Clock PACKAGE INFORMATION 8 PIN Narrow SOIC ( mm ) SOIC Symbol Min. Max. A 1.47 1.73 A1 0.10 0.25 B 0.33 0.51 C D 0.19 4.80 0.25 E 3.80 4.95 4.00 H 5.80 6.20 L 0.38 1.27 e 1.27 BSC E H D A A1 C L B e ORDERING INFORMATION For part ordering, please contact our Sales Department: 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 PART NUMBER The order number for this device is a combination of the following: Device number, Package type and Operating temperature range ABE0125 PART NUMBER SC TEMPERATURE C=COMMERCIAL I=INDUSTRIAL PACKAGE TYPE S=SOIC Order Number Marking Package Option ABE0125SC-T ABE0125SC ABE0125SC ABE0125SC SOIC -Tape and Reel SOIC –Tube Abracon 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. LIFE 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. 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 4