SCHS285B December   1998  – May 2024 CD54AC541 , CD54ACT540 , CD54ACT541 , CD74AC540 , CD74AC541 , CD74ACT540 , CD74ACT541

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, AC Series
    6. 4.6 Electrical Characteristics, ACT Series
    7. 4.7 Switching Characteristics, AC Series
    8. 4.8 Switching Characteristics, ACT Series
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      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

Refer to the PDF data sheet for device specific package drawings

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

2 Description

The CD54/74AC540, -541, and CD54/74ACT540, -541 octal buffer/line drivers use the RCA ADVANCED CMOS technology. The CD54/74AC/ACT540 are inverting 3-state buffers having two active-LOW output enables. The CD54/74AC/ACT541 are non-inverting 3-state buffers having two active-LOW output enables.

Device Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2) BODY SIZE(3)
CD74AC540, CDx4ACT54x, CDx4AC541 DW (SOIC, 20) 12.8mm x 10.3mm 12.8mm x 7.5mm
DB (SSOP, 20) 7.2mm x 7.8mm 7.2mm x 5.3mm
N (PDIP, 20) 24.33mm x 9.4mm 24.33mm x 6.35mm
(1) For all available packages, see Section 10.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
(3) The body size (length × width) is a nominal value and does not include pins.
CD74AC540 CD74ACT540 CD54ACT540 CD74AC541 CD54AC541 CD74ACT541 CD54ACT541 Functional Block Diagram Functional Block Diagram