SN75ALS053

QUADRUPLE FUTUREBUS TRANSCEIVER

SLLS034B – JANUARY 1988 – REVISED MAY 1995

2

POST OFFICE BOX 655303

FUNCTION TABLE

TRANSMIT/RECEIVE

CONTROLS

CHANNELS

TE

RE

D

→B

B

→R

L

L

D

R

L

HD

D

H

LT

R

H

H

T

D

H = high level, L = low level, R = receive,

T = transmit, D = disable

Direction of data transmission is from Dn to Bn,

direction of data reception is from Bn to Rn.

10

9

8

7

5

4

3

2

12

11

R4

D4

R3

D3

R2

D2

R1

D1

RE

TE

B4

B3

B2

B1

14

15

17

18

EN1 (D-B)

EN2 (B-R)

1

2

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

IEC Publication 617-12.

logic diagram (positive logic)

B4

14

B1

18

Xmit

Rcv

R4

D4

R1

D1

RE

TE

10

9

3

2

12

11

Two Identical Channels Not Shown