74HCT20 Dual 4-Input NAND Gate

You are currently viewing 74HCT20 Dual 4-Input NAND Gate
  • Post author:
  • Reading time:1 mins read

The CD74HCT20M is a high speed CMOS Logic dual 4-input NAND Gate. The logic gates utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL gates with the low power consumption of standard CMOS integrated circuits. It is commonly used in buffer circuits, logic inverter circuits etc. 

Pin Description of 74HCT20:

Pin NumberPin NameDescription
6NAND Gate Output pin (1)Output pin of NAND Gate – 1
1,2,4,5NAND Gate Input pin (1)Four Input pins of NAND Gate -1 
7GroundConnect to the ground of the circuit.
9,10,12,13NAND Gate Input pin (2)Four Input pins of NAND Gate -2
8NAND Gate Output pin (2)Output pin of NAND Gate – 2
14Vcc (Vdd)Used to power the IC. Typically +5V is used

Features of 74HCT20:

  • Four Input OR Gate – Dual Package
  • Typical Operating Voltage: 5V
  • Power Dissipation: 500mW
  • Propagation Delay @5V: 8ns (maximum)
  • Available in 14-pin PDIP, GDIP, PDSO packages

Note: Complete Technical Details can be found at the 74HCT20 datasheet give at the end of this page.

Equivalent for 74HCT20:  CD4012, 74S140, 74HC20

Farees Ahmed

The aim of this blog is to serve as a quick reference guide for the Curious. Appreciate your feedback and comments !