SCLS376I June   1997  – March 2015 SN54AHC273 , SN74AHC273

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematics
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  Handling Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics
    6. 7.6  Timing Requirements, VCC = 3.3 V ± 0.3 V
    7. 7.7  Timing Requirements, VCC = 5 V ± 0.5 V
    8. 7.8  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    9. 7.9  Switching Characteristics, VCC = 5 V ± 0.5 V
    10. 7.10 Noise Characteristics
    11. 7.11 Operating Characteristics
    12. 7.12 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagrams
    3. 9.3 Feature Description
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Related Links
    2. 13.2 Trademarks
    3. 13.3 Electrostatic Discharge Caution
    4. 13.4 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

SN54AHC273 SN74AHC273 po1_cls376.gif
SN54AHC273 SN74AHC273 po2_cls376.gif

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