74AC11280

9BIT PARITY GENERATOR/CHECKER

SCAS055A − D3201, APRIL 1989 − REVISED APRIL 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

Copyright

2−1

Nine Data Lines

PCB Layout

Minimize High-Speed Switching Noise

CMOS) 1-

mm Process

at 125

°C

Small-Outline Packages and Standard

Plastic 300-mil DIPs

description

This universal, monolithic, nine-bit parity generator/checker features odd and even outputs to facilitate operation

of either odd or even parity application. The word-length capability is easily expanded by cascading.

The 74AC11280 is characterized for operation from − 40

°C to 85°C.

FUNCTION TABLE

NUMBER OF INPUTS A

OUTPUTS

NUMBER OF INPUTS A

THRU I THAT ARE HIGH

S EVEN

S ODD

0, 2, 4, 6, 8

H

L

1, 3, 5, 7, 9

L

H

1

2

3

4

5

6

7

14

13

12

11

10

9

8

B

A

Σ ODD

GND

Σ EVEN

NC

I

C

D

E

F

G

H

D OR N PACKAGE

(TOP VIEW)

2k

I

H

G

F

E

D

C

B

A

7

8

9

10

12

13

14

1

2

Σ ODD

Σ EVEN

3

5

† This symbol is in accordance with ANSI/IEEE Std 91-1984

and IEC Publication 617-12.

EPIC is a trademark of Texas Instruments Incorporated.

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.