ZHCSUH0G August   2007  – January 2024 CDCE949 , CDCEL949

PRODUCTION DATA  

1.   1
2. 1 特性
3. 2 应用
4. 3 说明
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
   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 Setting
      2. 7.3.2 Default Device Setting
      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 and 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 Device Support
       1. 10.1.1 Development Support
    2. 10.2 Related Documentation
    3. 10.3 Related Links
    4. 10.4 接收文档更新通知
    5. 10.5 支持资源
    6. 10.6 Trademarks
    7. 10.7 静电放电警告
    8. 10.8 术语表
12. 11Revision History
13. 12Mechanical, Packaging, and Orderable Information

CDCE(L)949：支持 SSC 以降低 EMI 的
灵活低功耗 LVCMOS 时钟发生器

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