SLVSJB6 July   2025 SN74AHCT374-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 Noise Characteristics
    7. 5.7 Timing Characteristics
    8. 5.8 Switching Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Balanced CMOS 3-State Outputs
      2. 6.3.2 TTL-Compatible CMOS Inputs
      3. 6.3.3 Wettable Flanks
      4. 6.3.4 Clamp Diode Structure
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Power Considerations
        2. 7.2.1.2 Input Considerations
        3. 7.2.1.3 Output Considerations
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions

SN74AHCT374-Q1 SN74AHCT374-Q1 RKS Package (Top View)Figure 4-1 SN74AHCT374-Q1 RKS Package (Top View)
SN74AHCT374-Q1 SN74AHCT374-Q1 PW, DGS Package (Top View)Figure 4-2 SN74AHCT374-Q1 PW, DGS Package (Top View)
Pin Functions
PIN TYPE(1) DESCRIPTION
NAME NO.
OE 1 I Output enable, active low
1Q 2 O Output for channel 1
1D 3 I Input for channel 1
2D 4 I Input for channel 2
2Q 5 O Output for channel 2
3Q 6 O Output for channel 3
3D 7 I Input for channel 3
4D 8 I Input for channel 4
4Q 9 O Output for channel 4
CLK 10 G Clock input
LE 11 I Latch enable
5Q 12 O Output for channel 5
5D 13 I Input for channel 5
6D 14 I Input for channel 6
6Q 15 O Output for channel 6
7Q 16 O Output for channel 7
7D 17 I Input for channel 7
8D 18 I Input for channel 8
8Q 19 O Output for channel 8
VCC 20 P Postive 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, G = Ground, P = Power.
(2) WRKS package only.