SCLS259M December   1995  – July 2024 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 TYPE(1) DESCRIPTION
NAME D, DB, DGV, N, NS, PW, RGY
NC —

I

 Output enable input 1, active low
1G 1

I

 Input for channel 1
1A 2

I

 Input for channel 2
1B 3

I

 Input for channel 3
1Y0 4

I

 Input for channel 4
NC —

I

 Input for channel 5
1Y1 5

I

 Input for channel 6
1Y2 6

I

 Input for channel 7
1Y3 7

I

 Input for channel 8
GND 8

G

 Ground
NC —

O

 Output for channel 8
2Y3 9

O

 Output for channel 7
2Y2 10

O

 Output for channel 6
2Y1 11 O Output for channel 5
2Y0 12 O Output for channel 4
NC — O Output for channel 3
2B 13 O Output for channel 2
2A 14 O Output for channel 1
2G 15 I Output enable input 2, active low
VCC 16 P Positive supply
(1) Signal Types: I = Input, O = Output, I/O = Input or Output.