SCASE84 April   2025 SN74ACT74-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Characteristics
    7. 5.7 Switching Characteristics
    8.     14
    9. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Balanced CMOS Push-Pull Outputs
      2. 7.3.2 Latching Logic
      3. 7.3.3 TTL-Compatible CMOS Inputs
      4. 7.3.4 Wettable Flanks
      5. 7.3.5 Clamp Diode Structure
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Power Considerations
        2. 8.2.1.2 Input Considerations
        3. 8.2.1.3 Output Considerations
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions

SN74ACT74-Q1 PW Package,14-Pin TSSOP(Top View)PW Package,
14-Pin TSSOP
(Top View)
SN74ACT74-Q1 BQA Package,14-Pin WQFN(Transparent Top View)BQA Package,
14-Pin WQFN
(Transparent Top View)
Table 4-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME NO.
1CLR 1 I Clear for channel 1, active low
1D 2 I Data for channel 1
1CLK 3 I Clock for channel 1, rising edge triggered
1PRE 4 I Preset for channel 1, active low
1Q 5 O Output for channel 1
1Q 6 O Inverted output for channel 1
GND 7 G Ground
2Q 8 O Inverted output for channel 2
2Q 9 O Output for channel 2
2PRE 10 I Preset for channel 2, active low
2CLK 11 I Clock for channel 2, rising edge triggered
2D 12 I Data for channel 2
2CLR 13 I Clear for channel 2, active low
VCC 14 P Positive supply
Thermal Pad(2) — The thermal pad can be connected to GND or left floating. Do not connect to any other signal or supply
(1) Signal Types: I = Input, O = Output, I/O = Input or Output, P = Power, G = Ground
(2) BQA package only.