ZHCSCZ5E December   2013  – January 2022 LMK00334

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements, Propagation Delay, and Output Skew
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Differential Voltage Measurement Terminology
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Crystal Power Dissipation vs. RLIM
      2. 8.3.2 Clock Inputs
      3. 8.3.3 Clock Outputs
        1. 8.3.3.1 Reference Output
    4. 8.4 Device Functional Modes
      1. 8.4.1 VCC and VCCO Power Supplies
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Driving the Clock Inputs
        2. 9.2.1.2 Crystal Interface
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Termination and Use of Clock Drivers
        2. 9.2.2.2 Termination for DC-Coupled Differential Operation
        3. 9.2.2.3 Termination for AC-Coupled Differential Operation
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 Current Consumption and Power Dissipation Calculations
      1. 10.1.1 Power Dissipation Example: Worst-Case Dissipation
    2. 10.2 Power Supply Bypassing
      1. 10.2.1 Power Supply Ripple Rejection
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Management
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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8.4.1 VCC and VCCO Power Supplies

The LMK00334 has separate 3.3-V core supplies (VCC) and three independent 3.3-V or 2.5-V output power supplies (VCCOA, VCCOB, VCCOC). Output supply operation at 2.5 V enables lower power consumption and output-level compatibility with 2.5-V receiver devices. The output levels for HCSL are relatively constant over the specified VCCO range. Refer to Section 10 for additional supply related considerations, such as power dissipation, power supply bypassing, and power supply ripple rejection (PSRR).

Note:

Take care to ensure the VCCO voltages do not exceed the VCC voltage to prevent turning-on the internal ESD protection circuitry.