SDLS144D April   1985  – October 2016 SN54LS240 , SN54LS241 , SN54LS244 , SN54S240 , SN54S241 , SN54S244 , SN74LS240 , SN74LS241 , SN74LS244 , SN74S240 , SN74S241 , SN74S244

 

  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 Thermal Information
    5. 6.5 Electrical Characteristics - SNx4LS24x
    6. 6.6 Electrical Characteristics - SNx4S24x
    7. 6.7 Switching Characteristics - SNx4LS24x
    8. 6.8 Switching Characteristics - SNx4S24x
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 SN54LS24x and SN74LS24x Devices
    2. 7.2 SN54S24x and SN74S24x Devices
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 3-State Outputs
      2. 8.3.2 PNP Inputs
      3. 8.3.3 Hysteresis on Bus Inputs
    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 Curve
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resource
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

DB, DW, J, N, NS, or W Package
20-Pin SSOP, SOIC, CDIP, PDIP, SOP, or CFP
Top View
FK Package
20-Pin LCCC
Top View

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 1G I Channel 1 output enable
2 1A1 I Channel 1, A side 1
3 2Y4 O Channel 2, Y side 4
4 1A2 I Channel 1, A side 2
5 2Y3 O Channel 2, Y side 3
6 1A3 I Channel 1, A side 3
7 2Y2 O Channel 2, Y side 2
8 1A4 I Channel 1, A side 4
9 2Y1 O Channel 2, Y side 1
10 GND — Ground
11 2A1 I Channel 2, A side 1
12 1Y4 O Channel 1, Y side 4
13 2A2 I Channel 2, A side 2
14 1Y3 O Channel 1, Y side 3
15 2A3 I Channel 2, A side 3
16 1Y2 O Channel 1, Y side 2
17 2A4 I Channel 2, A side 4
18 1Y1 O Channel 1, Y side 1
19 2G/2G(1) I Channel 2 output enable
20 VCC — Power supply
(1) 2G for SNx4LS241 and SNx4S241 or 2G for all other drivers.