SCLS880A October   2021  – December 2021 SN74HCT595

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Characteristics
    7. 6.7 Switching Characteristics
    8.     14
    9. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Functional Block Diagram
    2. 8.2 Feature Description
      1. 8.2.1 Balanced CMOS 3-State Outputs
      2. 8.2.2 Balanced CMOS Push-Pull Outputs
      3. 8.2.3 TTL-Compatible CMOS Inputs
      4. 8.2.4 Latching Logic
      5. 8.2.5 Clamp Diode Structure
    3. 8.3 Device Functional Modes
  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 Power Considerations
        2. 9.2.1.2 Input Considerations
        3. 9.2.1.3 Output Considerations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

8.3 Device Functional Modes

Function Table lists the functional modes of the SN74HCT595.

Table 8-1 Function Table
INPUTS FUNCTION
SER SRCLK SRCLR RCLK OE
X X X X H Outputs QA – QH are disabled
X X X X L Outputs QA – QH are enabled.
X X L X X Shift register is cleared.
L ↑ H X X First stage of the shift register goes low. Other stages store the data of previous stage, respectively.
H ↑ H X X First stage of the shift register goes high. Other stages store the data of previous stage, respectively.
X X H ↑ X Shift-register data is stored in the storage register.
X ↑ H ↑ X Data in shift register is stored in the storage register, the data is then shifted through.