SCLS115G December   1982  – September 2015 SN54HC164 , SN74HC164

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  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
    5. 7.5  Electrical Characteristics, TA = 25°C
    6. 7.6  Electrical Characteristics, TA = -55°C to 125°C
    7. 7.7  Electrical Characteristics, TA = -55°C to 85°C
    8. 7.8  Timing Requirements, TA = 25°C
    9. 7.9  Timing Requirements, TA = -55°C to 125°C
    10. 7.10 Timing Requirements, TA = -55°C to 85°C
    11. 7.11 Switching Characteristics, TA = 25°C
    12. 7.12 Switching Characteristics, TA = -55°C to 125°C
    13. 7.13 Switching Characteristics, TA = -55°C to 85°C
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

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発注情報

10 Application and Implementation

10.1 Application Information

The SNx4HC164 is an 8-bit shift register that can be used as a deserializer in order to reduce the number of GPIO's needed when driving multiple LED's. In order to correctly display the proper output in the LED's a sink MOSFET was added to prevent the LED's from lighting up until the correct data or the proper clock signal has been achieved.

10.2 Typical Application

SN54HC164 SN74HC164 scls115_app1.gif Figure 4. Typical Application Diagram

10.2.1 Design Requirements

Ensure that the incoming clock rising edge meets the criteria in Recommended Operating Conditions.

10.2.2 Detailed Design Procedure

Ensure that input and output voltages do not exceed ratings in Absolute Maximum Ratings.

Input voltage threshold information can be found in Recommended Operating Conditions.

Detailed timing requirements can be found in Timing Requirements, TA = 25°C.

10.2.3 Application Curve

SN54HC164 SN74HC164 typchar_plot.png Figure 5. Propagation Delay vs Supply Voltage at TA = 25°C