SCLS228O October   1995  – July 2024 SN54AHCT244 , SN74AHCT244

PRODMIX  

  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 Switching Characteristics
    7. 5.7 Noise Characteristics
    8. 5.8 Operating Characteristics
    9. 5.9 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
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Typical Application
        1. 8.1.1.1 Design Requirements
        2. 8.1.1.2 Detailed Design Procedure
        3. 8.1.1.3 Application Curves
    2. 8.2 Power Supply Recommendations
    3. 8.3 Layout
      1. 8.3.1 Layout Guidelines
      2. 8.3.2 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

Package Options

Refer to the PDF data sheet for device specific package drawings

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

4 Pin Configuration and Functions

SN54AHCT244 SN74AHCT244 SN54AHCT244 SN74AHCT244
Figure 4-1 SN54AHCT244 J or W Package; SN74AHCT244 DB, DGV, DW, N, NS, or PW Package (Top View)
Figure 4-2 SN54AHCT244 FK Package (Top View)
Table 4-1 Pin Functions
PIN I/O DESCRIPTION
NO. NAME
1 1 OE I Output Enable 1
2 1A1 I Input 1A1
3 2Y4 O Output 2Y4
4 1A2 I Input 1A2
5 2Y3 O Output 2Y3
6 1A3 I Input 1A3
7 2Y2 O Output 2Y2
8 1A4 I Input 1A4
9 2Y1 O Output 2Y1
10 GND – Ground Pin
11 2A1 I Input 2A1
12 1Y4 O Output 1Y4
13 2A2 I Input 2A2
14 1Y3 O Output 1Y3
15 2A3 I Input 2A3
16 1Y2 O Output 1Y2
17 2A4 I Input 2A4
18 1Y1 O Output 1Y1
19 2 OE I Output Enable 2
20 VCC – Power Pin