SCLS260N December   1995  – July 2024 SN54AHC540 , SN74AHC540

PRODUCTION DATA  

  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 = 3.3 V ± 0.3 V
    7. 5.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 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
      1. 8.3.1 Layout Guidelines
    4. 8.4 Layout
      1. 8.4.1 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DGV|20
  • DB|20
  • N|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Description

The SNx4AHC540 octal buffers/drivers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout.

Device Information
PART NUMBERPACKAGE (PINS)(1)BODY SIZE (NOM)
SN74AHC540NPDIP (20)25.40mm × 6.35mm
SN74AHC540DBSSOP (20)7.50mm × 5.30mm
SN74AHC540PWTSSOP (20)6.50mm × 4.40mm
SN74AHC540DGVTVSOP (20)5.00mm × 4.40mm
SN74AHC540DWSOIC (20)12.80mm × 7.50mm
SNJ54AHC540FKLCCC (20)9.0mm x 9.0mm
SNJ54AHC540WCFP (20)13.72mm x 8.13mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
SN54AHC540 SN74AHC540 Simplified SchematicSimplified Schematic