SCLS577B March   2004  – April 2020 SN74HC74-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Functional Pinout of the SN74HC74-Q1
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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. 6.8 Operating Characteristics
    9. 6.9 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Balanced CMOS Push-Pull Outputs
      2. 8.3.2 Standard CMOS Inputs
      3. 8.3.3 Clamp Diode Structure
    4. 8.4 Device Functional Modes
  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
        4. 9.2.1.4 Timing Considerations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  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 Related Links
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|14
  • PW|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Pin Configuration and Functions

D or PW Package
14-Pin SOIC or TSSOP
Top View
SN74HC74-Q1 pw-pinout-diagram-dd-ff-pre-clr.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
1CLR 1 Input Channel 1, Clear Input, Active Low
1D 2 Input Channel 1, Data Input
1CLK 3 Input Channel 1, Positive edge triggered clock input
1PRE 4 Input Channel 1, Preset Input, Active Low
1Q 5 Output Channel 1, Output
1Q 6 Output Channel 1, Inverted Output
GND 7 Ground
2Q 8 Output Channel 2, Inverted Output
2Q 9 Output Channel 2, Output
2PRE 10 Input Channel 2, Preset Input, Active Low
2CLK 11 Input Channel 2, Positive edge triggered clock input
2D 12 Input Channel 2, Data Input
2CLR 13 Input Channel 2, Clear Input, Active Low
VCC 14 Positive Supply