SCLS259N December   1995  – January 2025 SN74AHC139

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Switching Characteristcs, VCC = 3.3 V ± 0.3 V
    7. 4.7 Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 4.8 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Balanced CMOS 3-State Outputs
      2. 6.3.2 Standard CMOS Inputs
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Power Considerations
        2. 7.2.1.2 Input Considerations
        3. 7.2.1.3 Output Considerations
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

3 Pin Configuration and Functions

SN74AHC139 SN74AHC139 D, DB, DGV, N, NS, or PW Package (Top View)Figure 3-1 SN74AHC139 D, DB, DGV, N, NS, or PW Package (Top View)
SN74AHC139 SN74AHC139 RGY Package (Top View)Figure 3-2 SN74AHC139 RGY Package (Top View)
Table 3-1 Pin Functions
PIN I/O DESCRIPTION
NO. NAME
1 1G I Channel 1, output enable, active low
2 1A0 I Channel 1, address select 0
3 1A1 I Channel 1, address select 1
4 1Y0 O Channel 1, output 0
5 1Y1 O Channel 1, output 1
6 1Y2 O Channel 1, output 2
7 1Y3 O Channel 1, output 3
8 GND — Ground
9 2Y3 O Channel 2, output 3
10 2Y2 O Channel 2, output 2
11 2Y1 O Channel 2, output 1
12 2Y0 O Channel 2, output 0
13 2A1 I Channel 2, address select 1
14 2A0 I Channel 2, address select 0
15 2G0 I Channel 2, output enable, active low
16 VCC — Positive supply