SNAS579G March   2012  – December 2014 LMK00105

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Functional Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Diagrams
    1.     Pin 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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Vdd and Vddo Power Supplies
      2. 7.3.2 Clock Input
        1. 7.3.2.1 Selection of Clock Input
          1. 7.3.2.1.1 CLKin/CLKin* Pins
          2. 7.3.2.1.2 OSCin/OSCout Pins
      3. 7.3.3 Clock Outputs
        1. 7.3.3.1 Output Enable Pin
        2. 7.3.3.2 Using Less than Five Outputs
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Clock Inputs
      2. 8.1.2 Clock Outputs
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application Block Diagram
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Crystal Interface
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Power Supply Filtering
    2. 9.2 Power Supply Ripple Rejection
    3. 9.3 Power Supply Bypassing
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Ground Planes
      2. 10.1.2 Power Supply Pins
      3. 10.1.3 Differential Input Termination
      4. 10.1.4 Output Termination
    2. 10.2 Layout Example
    3. 10.3 Thermal Management
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Differential Voltage Measurement Terminology
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RTW|24
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.3.1 Vdd and Vddo Power Supplies

Separate core and output supplies allow the output buffers to operate at the same supply as the Vdd core supply (3.3 V or 2.5 V) or from a lower supply voltage (3.3 V, 2.5 V, 1.8 V, or 1.5 V). Compared to single-supply operation, dual supply operation enables lower power consumption and output-level compatibility.

Bank A (CLKout0 and CLKout1) and Bank B (CLKout2 to CLKout4) may also be operated at different Vddo voltages, provided neither Vddo voltage exceeds Vdd.

NOTE

Care should be taken to ensure the Vddo voltage does not exceed the Vdd voltage to prevent turning-on the internal ESD protection circuitry.

DO NOT DISCONNECT OR GROUND ANY OF THE Vddo PINS because the Vddo pins are internally connected within an output bank.