SN55ALS160, SN75ALS160

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS

SLLS018D – JUNE 1986 – REVISED MAY 1995

2

POST OFFICE BOX 655303

Function Tables

EACH DRIVER

INPUTS

OUTPUT

D

TE

PE

OUTPUT

B

H

H

H

H

L

HX

L

H

XL

Z‡

X

L

X

Z‡

EACH RECEIVER

INPUTS

OUTPUT

B

TE

PE

OUTPUT

D

L

L

X

L

H

LX

H

X

H

X

Z

H = high level, L = low level, X = irrelevant,

Z = high-impedance state

† This is the high-impedance state of a

normal 3-state output modified by the

internal resistors to VCC and GND.

1

EN4 [RCV]

EN3 [XMT]

M2 [0C]

M1 [3S]

B8

B7

B6

B5

B4

B3

B2

B1

9

8

7

6

5

4

3

2

D8

D7

D6

D5

D4

D3

D2

D1

TE

PE

12

13

14

15

16

17

18

19

1

11

/2

3 (1

)

4

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

and IEC Publication 617-12.

Designates 3-state outputs

Designates open-collector outputs with passive pullup

PE

11

1

TE

GPIB

I/O

Ports

Terminal

I/O

Ports

B1

2

19

D1

B2

3

18

D2

B3

4

17

D3

B4

5

16

D4

B5

6

15

D5

B6

7

14

D6

D7

13

8

B7

9

12

D8

B8

logic diagram (positive logic)