SCAS517D June   1995  – August 2016 SN54ACT244 , SN74ACT244

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Operating Characteristics
    8. 6.8 Typical Characteristics
  7. Parameter Measurement Information
  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. 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 Curve
  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 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, 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

5 Pin Configuration and Functions

SN54ACT244: J or W Packages
20-Pin CDIP or CFP
Top View
SN54ACT244 SN74ACT244 Pin_1.gif
SN74ACT244: DB, DW, N, NS, or PW Packages
20-Pin SSOP, SOIC, PDIP, SO, or TSSOP
Top View
SN54ACT244 SN74ACT244 Pin_1.gif
SN54ACT244: FK Package
20-Pin LCCC
Top View
SN54ACT244 SN74ACT244 Pin_2.gif

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 1OE I 1 Active low Output enable
2 1A1 I 1A1 input
3 2Y4 O 2Y4 output
4 1A2 I 1A2 input
5 2Y3 O 2Y3 Output
6 1A3 I 1A3 input
7 2Y2 O 2Y2 Output
8 1A4 I 1A4 input
9 2Y1 O 2Y1 Output
10 GND Ground
11 2A1 I 2A1 input
12 1Y4 O 1Y4 output
13 2A2 I 2A2 input
14 1Y3 O 1Y3 Output
15 2A3 I 2A3 input
16 1Y2 O 1Y2 Output
17 2A4 I 2A4 input
18 1Y1 O 1Y1 Output
19 2OE I 2 Active low Output enable
20 VCC Power