SN54LV21A, SN74LV21A

DUAL 4INPUT POSITIVEAND GATES

SCES340E − SEPTEMBER 2000 − REVISED APRIL 2005

1

POST OFFICE BOX 655303

Operation

JESD 78, Class II

− 2000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

− 1000-V Charged-Device Model (C101)

description/ordering information

These dual 4-input positive-AND gates are

The ’LV21A devices perform the Boolean function

Y

+ A • B • C • Dor Y + A ) B ) C ) D in

positive logic.

These

devices

are

fully

specified

for

circuitry

disables

the

outputs,

preventing

damaging current backflow through the devices

when they are powered down.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

SOIC − D

Tube of 50

SN74LV21AD

LV21A

SOIC − D

Reel of 2500

SN74LV21ADR

LV21A

SOP − NS

Reel of 2000

SN74LV21ANSR

74LV21A

−40

°C to 85°C

SSOP − DB

Reel of 2000

SN74LV21ADBR

LV21A

−40

°C to 85°C

Tube of 90

SN74LV21APW

TSSOP − PW

Reel of 2000

SN74LV21APWR

LV21A

TSSOP − PW

Reel of 250

SN74LV21APWT

LV21A

TVSOP − DGV

Reel of 2000

SN74LV21ADGVR

LV21A

CDIP − J

Tube of 25

SNJ54LV21AJ

SNJ54LV21AJ

−55

°C to 125°C

CFP − W

Tube of 150

SNJ54LV21AW

SNJ54LV21AW

−55 C to 125 C

LCCC − FK

Tube of 55

SNJ54LV21AFK

SNJ54LV21AFK

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

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

Copyright

 2005, Texas Instruments Incorporated

SN54LV21A ...FK PACKAGE

(TOP VIEW)

SN54LV21A ...J OR W PACKAGE

SN74LV21A ... D, DB, DGV, NS, OR PW PACKAGE

(TOP VIEW)

NC − No internal connection

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

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

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.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information 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.