SCLS375G June   1997  – August 2024 SN74AHCT273

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  Handling Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Timing Requirements
    7. 5.7  Switching Characteristics
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      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. Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Links
    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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Pin Configuration and Functions

SN74AHCT273 SN74AHCT273 DB, DW, N, NS, or PW Packages; 20-Pin SSOP, SOIC, PDIP, SOP,
                        or TSSOPFigure 4-1 SN74AHCT273 DB, DW, N, NS, or PW Packages; 20-Pin SSOP, SOIC, PDIP, SOP, or TSSOP
Table 4-1 Pin Functions
PIN I/O DESCRIPTION
NO. NAME
1 CLR I Clear Pin
2 1Q O 1Q Output
3 1D I 1D Input
4 2D I 2D Input
5 2Q O 2Q Output
6 3Q O 3Q Output
7 3D I 3D Input
8 4D I 4D Input
9 4Q O 4Q Output
10 GND Ground Pin
11 CLK I Clock Pin
12 5Q O 5Q Output
13 5D I 5D Input
14 6D I 6D Input
15 6Q O 6Q Output
16 7Q O 7Q Output
17 7D I 7D Input
18 8D I 8D Input
19 8Q O 8Q Output
20 VCC Power Pin