SN54HC20, SN74HC20

DUAL 4INPUT POSITIVENAND GATES

SCLS086F − DECEMBER 1982 − REVISED AUGUST 2003

1

POST OFFICE BOX 655303

1

2

3

4

5

6

7

14

13

12

11

10

9

8

1A

1B

NC

1C

1D

1Y

GND

2D

2C

NC

2B

2A

2Y

SN54HC20 ...J OR W PACKAGE

SN74HC20 . . . D, DB, N, NS, OR PW PACKAGE

(TOP VIEW)

32 1 20 19

910 11 1213

4

5

6

7

8

18

17

16

15

14

2C

NC

NC

NC

2B

NC

NC

1C

NC

1D

SN54HC20 . . . FK PACKAGE

(TOP VIEW)

NC − No internal connection

description/ordering information

The ’HC20 devices contain two independent 4-input NAND gates. They perform the Boolean function

Y = A

• B • C • D or Y = A + B + C + D in positive logic.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP − N

Tube of 25

SN74HC20N

SN74HC20N

Tube of 50

SN74HC20D

SOIC − D

Reel of 2500

SN74HC20DR

HC20

SOIC − D

Reel of 250

SN74HC20DT

HC20

−40

°C to 85°C

SOP − NS

Reel of 2000

SN74HC20NSR

HC20

−40 C to 85 C

SSOP − DB

Reel of 2000

SN74HC20DBR

HC20

Tube of 90

SN74HC20PW

TSSOP − PW

Reel of 2000

SN74HC20PWR

HC20

TSSOP − PW

Reel of 250

SN74HC20PWT

HC20

CDIP − J

Tube of 25

SNJ54HC20J

SNJ54HC20J

−55

°C to 125°C

CFP − W

Tube of 150

SNJ54HC20W

SNJ54HC20W

−55 C to 125 C

LCCC − FK

Tube of 55

SNJ54HC20FK

SNJ54HC20FK

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

Copyright

 2003, Texas Instruments Incorporated

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

On products compliant to MILPRF38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.