SCLS384K September   1997  – May 2024 SN74LV240A

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, VCC = 2.5 V ±0.2 V
    7. 5.7  Switching Characteristics, VCC = 3.3 V ±0.3 V
    8. 5.8  Switching Characteristics, VCC = 5 V ±0.5 V
    9. 5.9  Noise Characteristics
    10. 5.10 Operating Characteristics
    11. 5.11 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
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support (Analog)
      1. 9.1.1 Related Links
    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

4 Pin Configuration and Functions

SN74LV240A SN74LV240A DB, DGV, DW, NS, or PW Package; 20-Pin SSOP, TVSOP, SOIC, SOP, or TSSOP(Top View)Figure 4-1 SN74LV240A DB, DGV, DW, NS, or PW Package; 20-Pin SSOP, TVSOP, SOIC, SOP, or TSSOP(Top View)
Table 4-1 Pin Functions
NAME(1)PINTYPEDESCRIPTION
1OE1IOutput enable 1
1A12I1A1 input
2Y43O2Y4 output
1A24I1A2 input
2Y35O2Y3 output
1A36I1A3 input
2Y27O2Y2 output
1A48I1A4 input
2Y19O2Y1 output
GND10—Ground pin
2A111

I

2A1 input
1Y412O1Y4 output
2A213

I

2A2 input
1Y314O1Y3 output
2A315I2A3 input
1Y216O1Y2 output
2A417I2A4 input
1Y118O1Y1 output
2OE19IOutput enable 2
VCC20—Power pin
(1) Signal Types: I = Input, O = Output, I/O = Input or Output