SCLS381M August   1997  – March 2015 SN74LV74A

UNLESS OTHERWISE NOTED, this document contains 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  Electrical Characteristics
    5. 6.5  Switching Characteristics: VCC = 2.5 V ± 0.2 V
    6. 6.6  Switching Characteristics: VCC = 3.3 V ± 0.3 V
    7. 6.7  Switching Characteristics: VCC = 5 V ± 0.5 V
    8. 6.8  Timing Requirements: VCC = 2.5 V ± 0.2 V
    9. 6.9  Timing Requirements: VCC = 3.3 V ± 0.3 V
    10. 6.10 Timing Requirements: VCC = 5 V ± 0.5 V
    11. 6.11 Noise Characteristics
    12. 6.12 Operating Characteristics
    13. 6.13 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      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 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 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
  • RGY|14
  • DB|14
  • DGV|14
  • PW|14
  • NS|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

D, DGV, NS, or PW Package
14-PIN SOIC, SOP, SSOP, or TSSOP
Top View
SN54LV74A SN74LV74A po1_cls381.gif
RGY Package
14-PIN VQFN
Top View
SN54LV74A SN74LV74A po3_cls381.gif

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 1CLR I 1 clear
2 1D I 1D input
3 1CLK I 1 clock
4 1PRE I 1 preset
5 1Q O 1Q output
6 1Q O 1Q output
7 GND – GND
8 2Q O 2Q output
9 2Q O 2Q output
10 2PRE I 2 preset
11 2CLK I 2 clock
12 2D I 2D input
13 2CLR I 2 clear
14 Vcc – Supply voltage input