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CE

1D

C1

CLK

CE

1D

C1

CLK

B1

OEAB

CLKENAB

CLKAB

LEAB

LEBA

CLKBA

CLKENBA

OEBA

A1

1

56

55

2

28

30

29

27

3

54

To 17 Other Channels

SN74ALVCH16601

18-BIT UNIVERSAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES027F – JULY 1995 – REVISED OCTOBER 2004

INPUTS

OUTPUT

B

CLKENAB

OEAB

LEAB

CLKAB

A

X

H

X

X

X

Z

X

L

H

X

L

L

X

L

H

X

H

H

H

L

L

X

X

H

L

L

X

X

L

L

L

↑

L

L

L

L

L

↑

H

H

L

L

L

H

X

L

L

L

L

X

(1)

A-to-B data flow is shown; B-to-A flow is similar, but uses OEBA,

LEBA, and CLKBA.

(2)

Output level before the indicated steady-state input conditions were

established, provided that CLKAB was high before LEAB went low

(3)

Output level before the indicated steady-state input conditions were

established

LOGIC DIAGRAM (POSITIVE LOGIC)

2