SN74AS230A

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SDAS213B – DECEMBER 1982 – REVISED DECEMBER 1994

Copyright

1

POST OFFICE BOX 655303

Memory Address Registers

Small-Outline (DW) Packages and Standard

Plastic (N) 300-mil DIPs

description

This octal buffer/driver is designed specifically to

improve the performance of 3-state memory

address drivers, clock drivers, and bus-oriented

receivers and transmitters. When used together,

multiples of this device provide the choice of selected combinations of inverting and noninverting outputs,

symmetrical active-low output-enable (OE) inputs, and complementary OE and OE inputs.

The SN74AS230A 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

2

1A1

4

1A2

6

1A3

8

1A4

EN

1

1Y1

18

1Y2

16

1Y3

14

1Y4

12

11

2A1

13

2A2

15

2A3

17

2A4

EN

19

2Y1

9

2Y2

7

2Y3

5

2Y4

3

1OE

2OE

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

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.