SN75128, SN75129

EIGHT CHANNEL LINE RECEIVERS

SLLS076B − JANUARY 1977 − REVISED MAY 1995

Copyright

2−1

POST OFFICE BOX 655303

POST OFFICE BOX 1443

IBM

 System 360/370 Input/Output

Specification

Receivers

SN75129 . . . Active-Low Strobes

description

The SN75128 and SN75129 are eight-channel line receivers designed to satisfy the requirements of the

input-output interface specification for IBM 360/370. Both devices feature common strobes for each group of

four devices. The SN75128 has active-high strobes; the SN75129 has active-low strobes. Special low-power

design and Schottky-diode-clamped transistors allow low supply-current requirements while maintaining fast

switching speeds and high-current TTL outputs.

For new IBM 360/370 interface designs, see the SN751730.

The SN75128 and SN75129 are characterized for operation from 0

°C to 70°C.

EN2

EN1

1

11

2

3

4

5

6

7

8

9

1Y

2Y

3Y

4Y

5Y

6Y

7Y

8Y

1S

2S

1A

2A

3A

4A

5A

6A

7A

8A

19

18

17

16

15

14

13

12

SN75128

EN2

EN1

1

11

2

3

4

5

6

7

8

9

1Y

2Y

3Y

4Y

5Y

6Y

7Y

8Y

1S

2S

1A

2A

3A

4A

5A

6A

7A

8A

19

18

17

16

15

14

13

12

SN75129

11

22

† These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

1A

2A

3A

4A

5A

6A

7A

8A

GND

1Y

2Y

3Y

4Y

5Y

6Y

7Y

8Y

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

N PACKAGE

(TOP VIEW)

† S and S for SN75128 and SN75129, respectively

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.

IBM is a trademark of International Business Machines Corp.