Product details

Technology family AC Supply voltage (min) (V) 1.5 Supply voltage (max) (V) 5.5 Number of channels 2 Inputs per channel 4 IOL (max) (mA) 24 IOH (max) (mA) -24 Input type Standard CMOS Output type Push-Pull Features Standard speed (tpd > 50ns) Data rate (max) (Mbps) 100 Rating Catalog Operating temperature range (°C) -55 to 125
Technology family AC Supply voltage (min) (V) 1.5 Supply voltage (max) (V) 5.5 Number of channels 2 Inputs per channel 4 IOL (max) (mA) 24 IOH (max) (mA) -24 Input type Standard CMOS Output type Push-Pull Features Standard speed (tpd > 50ns) Data rate (max) (Mbps) 100 Rating Catalog Operating temperature range (°C) -55 to 125
PDIP (N) 14 181.42 mm² 19.3 x 9.4 SOIC (D) 14 51.9 mm² 8.65 x 6
  • AC Types Feature 1.5-V to 5.5-V Operation and Balanced Noise Immunity at 30% of the Supply
  • Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption
  • Balanced Propagation Delays
  • ±24-mA Output Drive Current
    • Fanout to 15 F Devices
  • SCR-Latchup-Resistant CMOS Process and Circuit Design
  • Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015

  • AC Types Feature 1.5-V to 5.5-V Operation and Balanced Noise Immunity at 30% of the Supply
  • Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption
  • Balanced Propagation Delays
  • ±24-mA Output Drive Current
    • Fanout to 15 F Devices
  • SCR-Latchup-Resistant CMOS Process and Circuit Design
  • Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015

The AC device contains two independent 4-input NAND gates. This device performs the Boolean function Y = (A • B • C • D)\ or Y = A\ + B\ + C\ + D\ in positive logic.

The AC device contains two independent 4-input NAND gates. This device performs the Boolean function Y = (A • B • C • D)\ or Y = A\ + B\ + C\ + D\ in positive logic.

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Pin-for-pin with same functionality to the compared device
SN74HCS20 ACTIVE Dual 4-input NAND gates with Schmitt-trigger inputs Longer average propagation delay (12ns), lower average drive strength (7.8mA)

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 13
Type Title Date
* Data sheet CD74AC20 datasheet (Rev. B) 15 Nov 2002
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
More literature HiRel Unitrode Power Management Brochure 07 Jul 2009
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 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 Input and Output Characteristics of Digital Integrated Circuits 01 Oct 1996
Application note Live Insertion 01 Oct 1996
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

CD74AC20 Behavioral SPICE Model

SCHM040.ZIP (7 KB) - PSpice Model
Package Pins CAD symbols, footprints & 3D models
PDIP (N) 14 Ultra Librarian
SOIC (D) 14 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos