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SN74LVC257A . . . RGY PACKAGE

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1

16

8

9

2

3

4

5

6

7

15

14

13

12

11

10

OE

4A

4B

4Y

3A

3B

1A

1B

1Y

2A

2B

2Y

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

A/B

1A

1B

1Y

2A

2B

2Y

GND

OE

4A

4B

4Y

3A

3B

3Y

SN54LVC257A . . . J OR W PACKAGE

SN74LVC257A . . . D, DB, NS,

OR PW PACKAGE

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3

2 1 20 19

9 10 11 12 13

4

5

6

7

8

18

17

16

15

14

4A

4B

NC

4Y

3A

SN54LVC257A . . . FK PACKAGE

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NC − No internal connection

1B

1Y

NC

2A

2B

DESCRIPTION/ORDERING INFORMATION

SN54LVC257A, SN74LVC257A

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SCAS294N – JANUARY 1993 – REVISED JUNE 2005

•

•

Operate From 1.65 V to 3.6 V

•

Latch-Up Performance Exceeds 250 mA Per

•

Inputs Accept Voltages to 5.5 V

JESD 17

•

•

ESD Protection Exceeds JESD 22

•

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

The 'LVC257A devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in

bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (OE) input is at a

high logic level.

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

QFN – RGY

Reel of 1000

SN74LVC257ARGYR

LC257A

Tube of 40

SN74LVC257AD

SOIC – D

Reel of 2500

SN74LVC257ADR

LVC257A

Reel of 250

SN74LVC257ADT

–40°C to 85°C

SOP – NS

Reel of 2000

SN74LVC257ANSR

LVC257A

SSOP – DB

Reel of 2000

SN74LVC257ADBR

LC257A

Tube of 90

SN74LVC257APW

TSSOP – PW

Reel of 2000

SN74LVC257APWR

LC257A

Reel of 250

SN74LVC257APWT

CDIP – J

Tube of 25

SNJ54LVC257AJ

SNJ54LVC257AJ

–55°C to 125°C

CFP – W

Tube of 150

SNJ54LVC257AW

SNJ54LVC257AW

LCCC – FK

Tube of 55

SNJ54LVC257AFK

SNJ54LVC257AFK

(1)

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

www.ti.com/sc/package.

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.

Copyright © 1993–2005, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

On products compliant to MIL-PRF-38535, all parameters are

Instruments standard warranty. Production processing does not

tested unless otherwise noted. On all other products, production

necessarily include testing of all parameters.

processing does not necessarily include testing of all parameters.