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CDCD5704 Status: ACTIVE

Rambus XDR(TM) Clock Generator


      
         
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Datasheet

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 CDCD5704
VCC(V)2.5  
Operating Frequency Range(Min)(MHz)100  
Operating Frequency Range(Max)(MHz)133  
Input LevelHCLK  
Output LevelXDR, RSL  
Pin/Package28TSSOP  
Operating Temp Range(Celsius)0 to 70  
Output Frequency(Min)(Mhz)300  
Output Frequency(Max)(Mhz)667  
Jitter-Peak to Peak(P-P) or Cycle to Cycle(C-C)40 ps  
Multiplier Ratio3, 4, 5, 6, 8, 4.5, 7.5, 3.75  
Output Skew(ps)15  
No. of 100/133 MHz Outputs4  
 Samples
 Inventory

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    • Product Information

    Features

    • High-Speed Clock Support: 300-MHz-667-MHz Clock Source for XDR Memory Subsystems and Redwood Logic Interface
    • Quad (Open-Drain) Differential Output Drivers
    • Spread-Spectrum Compatible Clock Input Can Be Distributed to Minimize EMI
    • Differential or Single-Ended Reference Clock Input of 100 MHz or 133 MHz
    • Serial Interface Features: Programmable Frequency Multiplier, Select Any One to Four Outputs and Mode of Operation
    • Supports Frequency Multiplication Factors of: ×3, ×4, ×5, ×6, ×8, ×9/2, ×15/2, ×15/4
    • All PLL Loop Filter Components Are Integrated
    • Low |Cycle-to-Cycle| of 1-6 Cycle Jitter:
      • 40 ps: 300-635 MHz
      • 30 ps: 636-667 MHz
    • PLLs Are Powered Down if No Valid REF Clock (<10 MHz) Is Detected or VDD Is Below 1.6 V
    • Operates From Single 2.5-V Supply (±0.125 V)
    • Packaged in TSSOP-28
    • Commercial Temperature Range 0°C to 70°C
    • APPLICATIONS
      • XDR Memory Subsystem and Redwood Logic Interface

    Rambus, XDR are trademarks of Rambus Inc.
    All other trademarks are the property of their respective owners.

    Description

    The CDCD5704 clock generator provides the necessary clock signals to support an XDR memory subsystem and Redwood logic interface using a reference clock input with or without spread-spectrum modulation. Contained in a 28-pin TSSOP package that includes four differential clock outputs, the CDCD5704 provides an off-the-shelf solution for a broad range of high-performance interface applications.

    The block diagram shows the major components of the CDCD5704, which include a phase-locked loop, a bypass multiplexer, and four differential output buffers (CLK0 to CLK3). All four outputs can be disabled by a logical low at the input of the EN pin. An output is enabled when EN is high and a value of 1 is in its serial interface register (RegA-RegD).

    View All Description in Datasheet

    		    

    Pricing / Packaging / CAD Design Tools / Samples

    PricePackagingCAD Design ToolsSamples
    DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
    CDCD5704PWACTIVE0 to 703.25 | 1kuTSSOP (PW) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
    CDCD5704PWG4ACTIVE0 to 703.25 | 1kuTSSOP (PW) | 28 View 50 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
    CDCD5704PWRACTIVE0 to 702.95 | 1kuTSSOP (PW) | 28 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
    CDCD5704PWRG4ACTIVE0 to 702.95 | 1kuTSSOP (PW) | 28 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples

    * Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

    Inventory

    Reported Distributor Inventory as of 12:01 PM GMT, 22 Nov 2009
    RegionCompanyIn StockPurchase
    TI Lead Time*: 20 WeeksCDCD5704PW
    None Reported
    View Distributors
    TI Lead Time*: 20 WeeksCDCD5704PWG4
    None Reported
    View Distributors
    TI Lead Time*: 20 WeeksCDCD5704PWR
    None Reported
    View Distributors
    TI Lead Time*: 20 WeeksCDCD5704PWRG4
    None Reported
    View Distributors
    View all Distributors  

    ** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

    Quality & Lead (Pb)-Free Data

     Product ContentDPPM / MTBF / FIT Rate
    DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
    CDCD5704PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
    CDCD5704PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
    CDCD5704PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
    CDCD5704PWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView

    * The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

    If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

    Technical Documents

    Most useful technical documents for CDCD5704 Help

    Datasheet

    Tools & Software

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