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OEBA

CEBA

LEBA

OEAB

CEAB

LEAB

A1

B1

To Seven Other Channels

2

23

1

13

11

14

3

22

C1

1D

C1

1D

SN74LVC543A

OCTAL REGISTERED TRANSCEIVER

WITH 3-STATE OUTPUTS

SCAS299H – JANUARY 1993 – REVISED MARCH 2005

INPUTS

OUTPUT

B

CEAB

LEAB

OEAB

A

H

X

X

X

Z

X

X

H

X

Z

L

H

L

X

L

L

L

L

L

L

L

L

H

H

(1)

A-to-B data flow is shown; B-to-A flow control is the same, except

that it uses CEBA, LEBA, and OEBA.

(2)

Output level before the indicated steady-state input conditions were

established

LOGIC DIAGRAM (POSITIVE LOGIC)

2