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ABE0113SC

ABE0113SC

  • 厂商:

    ABRACON(阿布雷肯)

  • 封装:

  • 描述:

    ABE0113SC - Low EMI Spread Spectrum Multiplier Clock - Abracon Corporation

  • 数据手册
  • 价格&库存
ABE0113SC 数据手册
A BE0113 L ow EMI Spread Spectrum Multiplier Clock F EATURES • • • • • • • S pread Spectrum Clock Generator with selectable multiplier ( 1x, 2x and 4x ). O utput frequency ranges: 24MHz to 240MHz. S electable Down Spread Modulation. T TL/CMOS compatible outputs. 3 .3V Operating Voltage. L ow short term jitter. A vailable in 8-Pin 150mil SOIC. P IN CONFIGURATION FIN S2^ S1^ S0v 1 8 VD D S3v FOUT GND ABE0113 2 3 4 7 6 5 FIN = 24 ~ 120 Mhz N ote: v : 30k Ω I nternal Pull down ^: 30k Ω I nternal Pull up. D ESCRIPTION T he ABE0113 is a Spread Spectrum Clock Generator designed for the purpose of reducing EMI in highspeed digital systems. The selectable Down Spread modulation magnitude (see table below) permits EMI reduction without over-clocking the output. The device operates over a very wide range of input frequencies and provides 1x to 4x modulated clock outputs. O UTPUT CLOCK (FOUT) SELECTION S3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 S2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 S1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 S0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 FIN Range (MHz) 24 24 24 24 24 24 24 24 60 60 60 60 60 60 60 60 FOUT X1 X1 X1 X1 X2 X2 X2 X2 X2 X2 X4 X4 X1 X1 X1 X1 Spread Spectrum Modulation Frequency Magnitude -1.5% -2.0% -2.5% -3.0% -0.5% -1.0% -1.5% -2.0% -2.5% -3.0% -0.5% -1.0% -0.5% -1.0% -1.5% -2.0% 2 4 - 60 2 4 - 60 2 4 - 60 2 4 - 60 60 60 60 60 120 120 120 120 Fin / 1024 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 BE0113 L ow EMI Spread Spectrum Multiplier Clock B LOCK DIAGRAM FIN PLL SST FOUT S(0:3) Control Logic PIN DESCRIPTIONS N ame F IN S2 S1 S0 G ND F OUT S3 V DD Number 1 2 3 4 5 6 7 8 Type I I I I P O I P Description Input Clock Frequency, 24MHz to 120MHz. Digital control input to select multiplication factor and SST modulation amplitude. Has internal pull-up. Digital control input to select multiplication factor and SST modulation amplitude. Has internal pull-up. Digital control input to select multiplication factor and SST modulation amplitude. Has internal pull-down. Ground. SST Modulated Clock Frequency Output. The frequency before modulation is synthesized by multiplying the input frequency by 1X, 2X, or 4X, depending on S(0:3). Digital control input to select multiplication factor and SST modulation amplitude. Has internal pull-down. 3.3V Power Supply. 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 BE0113 L ow EMI Spread Spectrum Multiplier Clock 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 . DC/AC Specifications P ARAMETERS S upply Voltage I nput High Voltage I nput Low Voltage I nput High Current I nput Low Current O utput High Voltage O utput Low Voltage I nput Frequency M aximum interruption of FIN I nput Capacitance P ull-up Resistor P ull-down Resistor S hort Circuit Current 3 .3V Dynamic Supply Current SYMBOL V DD V IH V IL I IH I IL V OH V OL F IN C in1 R pu R pd Isc I CC CONDITIONS MIN. 2 .97 0 .7* V DD TYP. MAX. 3.63 0 .3* V DD 1 00 1 00 UNITS V V V µA µA I OH=5mA, V DD = 3.3V I OL=6mA, V DD = 3.3V 2.4 24 4 30 30 50 20 0.4 120 none MHz µs pF kΩ kΩ mA mA P IN 2, 3 P IN 4, 7 N o Load 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 BE0113 L ow EMI Spread Spectrum Multiplier Clock 3 . TIMING CHARACTERISTICS P ARAMETERS R ise Time F all Time O utput Duty Cycle I nput to Output Delay C ycle to Cycle Jitter SYMBOL Tr Tf DT Tcyc-cyc CONDITIONS Measured at 0.8V ~ 2.0V @ 3.3V Measured at 2.0V ~ 0.8V @ 3.3V MIN. 0.8 0.78 45 2 TYP. 0.95 0.85 50 MAX. 1.1 0.9 55 4 100 UNITS ns ns % ns ps Over output frequency range @ 3.3V F UNCTIONAL DESCRIPTION S electable spread spectrum and modulation rates T he ABE0113 provides selectable multiplication factor, as well as selectable modulation rate. Selection is made by connecting pins 2 (S2), 3 (S1), 4 (S0), and 7 (S3) to a logical “zero” or “one”, according to the output clock selection table on page 1. D efault values for S(0:3) through internal pull-up and pull-down resistor S election pins S0 and S3 have an internal pull-down resistor of 30k Ω , pins 2 and 3 (S1 and S2) have an internal pull-up resistor of 30k Ω . This internal pull-down (or pull-up) resistor will pull the input value to a logical “zero” (or “one” respectively) by default, i.e. when the pin is not connected to GND (VDD respectively). In order to override the internal pull-up (pull-down), the pin has to be connected to VDD (GND respectively). 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 A BE0113 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 BE0113 S C P ART NUMBER T EMPERATURE C=COMMERCIAL I=INDUSTRIAL P ACKAGE TYPE S=SOIC A BE0113SC-T ABE0113SC O rder Number ABE0113SC ABE0113SC Marking SOIC -Tape and Reel SOIC –Tube Package Option 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 5
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