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To Seven Other Channels

B1

A1

OEBA

CLKBA

CLKENBA

OEAB

CLKAB

CLKENAB

8

C1

1D

C1

1D

11

10

9

13

14

15

16

SN74LVC2952A

OCTAL BUS TRANSCEIVER AND REGISTER

WITH 3-STATE OUTPUTS

SCAS311I – JANUARY 1993 – REVISED MARCH 2005

INPUTS

OUTPUT

B

CLKENAB

CLKAB

OEAB

A

H

X

L

X

X

H or L

L

X

L

↑

L

L

L

L

↑

L

H

H

X

X

H

X

Z

(1)

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

CLKENBA, CLKBA, and OEBA.

(2)

Level of B before the indicated steady-state input conditions were

established

LOGIC DIAGRAM (POSITIVE LOGIC)

2