Product details

Technology family ACT Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -24 Supply current (max) (µA) 160 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Input clamp diode, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -55 to 125
Technology family ACT Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5 Number of channels 8 IOL (max) (mA) 24 IOH (max) (mA) -24 Supply current (max) (µA) 160 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Input clamp diode, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -55 to 125
PDIP (N) 20 228.702 mm² 24.33 x 9.4 SOIC (DW) 20 131.84 mm² 12.8 x 10.3
  • SCR-latchup-resistant CMOS process and circuit design
  • Speed of bipolar FAST®/AS/S with significantly reduced power consumption
  • Balanced propagation delays
  • AC types feature 1.5V to 5.5V operation and balanced noise immunity at 30% of the supply.
  • ±24mA output drive current
    • Fanout to 15 FAST®ICs
    • Drives 50Ohm transmission lines

(1)®FAST is a Registered Trademark of Fairchild Semiconductor Corp.

  • SCR-latchup-resistant CMOS process and circuit design
  • Speed of bipolar FAST®/AS/S with significantly reduced power consumption
  • Balanced propagation delays
  • AC types feature 1.5V to 5.5V operation and balanced noise immunity at 30% of the supply.
  • ±24mA output drive current
    • Fanout to 15 FAST®ICs
    • Drives 50Ohm transmission lines

(1)®FAST is a Registered Trademark of Fairchild Semiconductor Corp.

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.

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.

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Technical documentation

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Type Title Date
* Data sheet CD74AC540, CDx4ACT54x, CDx4AC541 Octal Buffer/Line Drivers, 3-State datasheet (Rev. B) PDF | HTML 10 May 2024
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
Application note Selecting the Right Level Translation Solution (Rev. A) 22 Jun 2004
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc 01 Apr 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
Not available on TI.com
Simulation model

CD74ACT540 Behavioral SPICE Model

SCHM059.ZIP (7 KB) - PSpice Model
Package Pins CAD symbols, footprints & 3D models
PDIP (N) 20 Ultra Librarian
SOIC (DW) 20 Ultra Librarian

Ordering & quality

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Information included:
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Support & training

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