SN74ALS2240

OCTAL BUFFER AND LINE DRIVER/MOS DRIVER

WITH 3-STATE OUTPUTS

SDAS268A – DECEMBER 1994 – REVISED NOVEMBER 1997

1

POST OFFICE BOX 655303

for Driving MOS Devices

No External Resistors Are Required

Small-Outline (DW) Package and Standard

Plastic (N) 300-mil DIPs

description

This octal buffer and line driver/MOS driver is

designed to drive the capacitive inputs of MOS

devices and to improve the performance and

density of 3-state memory address drivers, clock

drivers,

and

bus-oriented

receivers

and

transmitters. This device features high fan-out

and improved fan-in.

The SN74ALS2240 is characterized for operation

from 0

°C to 70°C.

FUNCTION TABLE

(each buffer)

INPUTS

OUTPUT

OE

A

Y

L

H

L

L

LH

H

X

Z

1OE

2

1A1

4

1A2

6

1A3

8

1A4

EN

1

1Y1

18

1Y2

16

1Y3

14

1Y4

12

2OE

11

2A1

13

2A2

15

2A3

17

2A4

EN

19

2Y1

9

2Y2

7

2Y3

5

2Y4

3

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

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.

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

1OE

1A1

2Y4

1A2

2Y3

1A3

2Y2

1A4

2Y1

GND

2OE

1Y1

2A4

1Y2

2A3

1Y3

2A2

1Y4

2A1

DW OR N PACKAGE

(TOP VIEW)

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.

Copyright

© 1997, Texas Instruments Incorporated