ZHCSLM0A May   2020  – January 2021 LMK5B12204

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
    1. 6.1 Device Start-Up Modes
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information: 4-Layer JEDEC Standard PCB
    5. 7.5 Thermal Information: 10-Layer Custom PCB
    6. 7.6 Electrical Characteristics
    7. 7.7 Timing Diagrams
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Output Clock Test Configurations
  9. 9 Detailed Description
    1. 9.1 Overview
      1. 9.1.1 ITU-T G.8262 (SyncE) Standards Compliance
    2. 9.2 Functional Block Diagram
      1. 9.2.1 PLL Architecture Overview
      2. 9.2.2 DPLL Mode
      3. 9.2.3 APLL-Only Mode
    3. 9.3 Feature Description
      1. 9.3.1  Oscillator Input (XO_P/N)
      2. 9.3.2  Reference Inputs (PRIREF_P/N and SECREF_P/N)
        1. 9.3.2.1 Programmable Input Hysteresis
      3. 9.3.3  Clock Input Interfacing and Termination
      4. 9.3.4  Reference Input Mux Selection
        1. 9.3.4.1 Automatic Input Selection
        2. 9.3.4.2 Manual Input Selection
      5. 9.3.5  Hitless Switching
        1. 9.3.5.1 Hitless Switching With 1-PPS Inputs
      6. 9.3.6  Gapped Clock Support on Reference Inputs
      7. 9.3.7  Input Clock and PLL Monitoring, Status, and Interrupts
        1. 9.3.7.1 XO Input Monitoring
        2. 9.3.7.2 Reference Input Monitoring
          1. 9.3.7.2.1 Reference Validation Timer
          2. 9.3.7.2.2 Amplitude Monitor
          3. 9.3.7.2.3 Frequency Monitoring
          4. 9.3.7.2.4 Missing Pulse Monitor (Late Detect)
          5. 9.3.7.2.5 Runt Pulse Monitor (Early Detect)
          6. 9.3.7.2.6 Phase Valid Monitor for 1-PPS Inputs
        3. 9.3.7.3 PLL Lock Detectors
        4. 9.3.7.4 Tuning Word History
        5. 9.3.7.5 Status Outputs
        6. 9.3.7.6 Interrupt
      8. 9.3.8  PLL Relationships
        1. 9.3.8.1  PLL Frequency Relationships
        2. 9.3.8.2  Analog PLLs (APLL1, APLL2)
        3. 9.3.8.3  APLL Reference Paths
          1. 9.3.8.3.1 APLL XO Doubler
          2. 9.3.8.3.2 APLL1 XO Reference (R) Divider
          3. 9.3.8.3.3 APLL2 Reference (R) Dividers
        4. 9.3.8.4  APLL Phase Frequency Detector (PFD) and Charge Pump
        5. 9.3.8.5  APLL Feedback Divider Paths
          1. 9.3.8.5.1 APLL1 N Divider With SDM
          2. 9.3.8.5.2 APLL2 N Divider With SDM
        6. 9.3.8.6  APLL Loop Filters (LF1, LF2)
        7. 9.3.8.7  APLL Voltage Controlled Oscillators (VCO1, VCO2)
          1. 9.3.8.7.1 VCO Calibration
        8. 9.3.8.8  APLL VCO Clock Distribution Paths (P1, P2)
        9. 9.3.8.9  DPLL Reference (R) Divider Paths
        10. 9.3.8.10 DPLL Time-to-Digital Converter (TDC)
        11. 9.3.8.11 DPLL Loop Filter (DLF)
        12. 9.3.8.12 DPLL Feedback (FB) Divider Path
      9. 9.3.9  Output Clock Distribution
      10. 9.3.10 Output Channel Muxes
      11. 9.3.11 Output Dividers (OD)
      12. 9.3.12 Clock Outputs (OUTx_P/N)
        1. 9.3.12.1 AC-Differential Output (AC-DIFF)
        2. 9.3.12.2 HCSL Output
        3. 9.3.12.3 1.8-V LVCMOS Output
        4. 9.3.12.4 Output Auto-Mute During LOL
      13. 9.3.13 Glitchless Output Clock Start-Up
      14. 9.3.14 Clock Output Interfacing and Termination
      15. 9.3.15 Output Synchronization (SYNC)
    4. 9.4 Device Functional Modes
      1. 9.4.1 Device Start-Up Modes
        1. 9.4.1.1 EEPROM Mode
        2. 9.4.1.2 ROM Mode
      2. 9.4.2 PLL Operating Modes
        1. 9.4.2.1 Free-Run Mode
        2. 9.4.2.2 Lock Acquisition
        3. 9.4.2.3 Locked Mode
        4. 9.4.2.4 Holdover Mode
      3. 9.4.3 PLL Start-Up Sequence
      4. 9.4.4 Digitally-Controlled Oscillator (DCO) Mode
        1. 9.4.4.1 DCO Frequency Step Size
        2. 9.4.4.2 DCO Direct-Write Mode
    5. 9.5 Programming
      1. 9.5.1 Interface and Control
      2. 9.5.2 I2C Serial Interface
        1. 9.5.2.1 I2C Block Register Transfers
      3. 9.5.3 SPI Serial Interface
        1. 9.5.3.1 SPI Block Register Transfer
      4. 9.5.4 Register Map and EEPROM Map Generation
      5. 9.5.5 General Register Programming Sequence
      6. 9.5.6 EEPROM Programming Flow
        1. 9.5.6.1 EEPROM Programming Using Method #1 (Register Commit)
          1. 9.5.6.1.1 Write SRAM Using Register Commit
          2. 9.5.6.1.2 Program EEPROM
        2. 9.5.6.2 EEPROM Programming Using Method #2 (Direct Writes)
          1. 9.5.6.2.1 Write SRAM Using Direct Writes
          2. 9.5.6.2.2 User-Programmable Fields In EEPROM
      7. 9.5.7 Read SRAM
      8. 9.5.8 Read EEPROM
      9. 9.5.9 EEPROM Start-Up Mode Default Configuration
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Device Start-Up Sequence
      2. 10.1.2 Power Down (PDN) Pin
      3. 10.1.3 Power Rail Sequencing, Power Supply Ramp Rate, and Mixing Supply Domains
        1. 10.1.3.1 Mixing Supplies
        2. 10.1.3.2 Power-On Reset (POR) Circuit
        3. 10.1.3.3 Powering Up From a Single-Supply Rail
        4. 10.1.3.4 Power Up From Split-Supply Rails
        5. 10.1.3.5 Non-Monotonic or Slow Power-Up Supply Ramp
      4. 10.1.4 Slow or Delayed XO Start-Up
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
    3. 10.3 Do's and Don'ts
  11. 11Power Supply Recommendations
    1. 11.1 Power Supply Bypassing
    2. 11.2 Device Current and Power Consumption
      1. 11.2.1 Current Consumption Calculations
      2. 11.2.2 Power Consumption Calculations
      3. 11.2.3 Example
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Reliability
      1. 12.3.1 Support for PCB Temperature up to 105 °C
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 TICS Pro
      2. 13.1.2 Related Documentation
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 静电放电警告
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information
    1. 14.1 Package Option Addendum
      1. 14.1.1 Packaging Information
      2. 14.1.2 Tape and Reel Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.1 Absolute Maximum Ratings

Over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VDD(2) Core supply voltages –0.3 3.6 V
VDDO(3) Output supply voltages –0.3 3.6 V
VIN Input voltage range for clock and logic inputs –0.3 VDD+0.3 V
VOUT_LOGIC Output voltage range for logic outputs –0.3 VDD+0.3 V
VOUT Output voltage range for clock outputs –0.3 VDDO+0.3 V
TJ Junction temperature   150 °C
Tstg Storage temperature range –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) VDD refers to all core supply pins or voltages. All VDD core supplies should be powered-on before the PDN is pulled high to trigger the internal power-on reset (POR).
(3) VDDO refers to all output supply pins or voltages. VDDO_x refers to the output supply for a specific output channel, where x denotes the channel index. 
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