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  • CDCE(L)913: Flexible Low Power LVCMOS Clock Generator With SSC Support for EMI Reduction

    • SCAS849I June   2007  – August 2024 CDCE913 , CDCEL913

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  • CDCE(L)913: Flexible Low Power LVCMOS Clock Generator With SSC Support for EMI Reduction
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 EEPROM Specification
    7. 5.7 Timing Requirements: CLK_IN
    8. 5.8 Timing Requirements: SDA/SCL #GUID-DE171716-D3A0-4375-A25C-58C636304087/SCAS849414
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Control Terminal Configuration
      2. 7.3.2 Default Device Configuration
      3. 7.3.3 SDA/SCL Serial Interface
      4. 7.3.4 Data Protocol
    4. 7.4 Device Functional Modes
      1. 7.4.1 SDA/SCL Hardware Interface
    5. 7.5 Programming
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Spread-Spectrum Clock (SSC)
        2. 8.2.2.2 PLL Frequency Planning
        3. 8.2.2.3 Crystal Oscillator Start-up
        4. 8.2.2.4 Frequency Adjustment with Crystal Oscillator Pulling
        5. 8.2.2.5 Unused Inputs/Outputs
        6. 8.2.2.6 Switching Between XO and VCXO Mode
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Register Maps
    1. 9.1 SDA/SCL Configuration Registers
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
  14. IMPORTANT NOTICE
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Data Sheet

CDCE(L)913: Flexible Low Power LVCMOS Clock Generator
With SSC Support for EMI Reduction

1 Features

  • Member of programmable clock generator family
    • CDCE913/CDCEL913: 1-PLL, 3 outputs
    • CDCE925/CDCEL925: 2-PLL, 5 outputs
    • CDCE937/CDCEL937: 3-PLL, 7 outputs
    • CDCE949/CDCEL949: 4-PLL, 9 outputs
  • In-system programmability and EEPROM
    • Serial programmable volatile register
    • Nonvolatile EEPROM to store customer settings
  • Flexible input clocking concept
    • External crystal: 8MHz to 32MHz
    • On-chip VCXO: pull range ±150ppm
    • Single-ended LVCMOS Up to 160MHz
  • Free selectable output frequency up to 230 MHz
  • Low-noise PLL core
    • PLL loop filter components integrated
    • Low period jitter (typical 50ps)
  • Separate output supply pins
    • CDCE913: 3.3V and 2.5V
    • CDCEL913: 1.8V
  • Flexible clock driver:
    • Three user-definable control inputs [S0/S1/S2], for example, SSC selection, frequency switching, output enable, or power down
    • Generates highly accurate clocks for video, audio, USB, IEEE1394, RFID, Bluetooth®, WLAN, Ethernet™, and GPS
    • Generates common clock frequencies used with TI- DaVinci™, OMAP™, DSPs
    • Programmable SSC modulation
    • Enables 0PPM clock generation
  • 1.8V device power supply
  • Wide temperature range: –40°C to 85°C
  • Packaged in TSSOP
  • Development and programming kit for easy PLL design and programming (TI Pro-Clock™)

2 Applications

  • Digital Televisions (D-TVs)
  • Set-Top Boxes (STBs)
  • IP-STBs
  • DVD players
  • DVD recorders
  • Printers

 

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