74ACTQ16541 데이터 시트보기 (PDF) - Fairchild Semiconductor

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74ACTQ16541

16-Bit Buffer/Line Driver with 3-STATE Outputs

Fairchild Semiconductor 

Functional Description

The ACTQ16541 contains sixteen non-inverting buffers

with 3-STATE standard outputs. The device is byte con-

trolled with each byte functioning identically, but indepen-

dent of the other. The control pins can be shorted together

to obtain full 16-bit operation. The 3-STATE outputs are

controlled by an Output Enable (OEn) input for each byte.

When OEn is LOW, the outputs are in 2-state mode. When

OEn is HIGH, the outputs are in the high impedance mode,

but this does not interfere with entering new data into the

inputs.

Logic Diagram

Truth Tables

Inputs

OE1

OE2

L

L

H

X

X

H

L

L

Inputs

OE3

OE4

L

L

H

X

X

H

L

L

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

I0–I7

H

X

X

L

I8–I15

H

X

X

L

Outputs

O0–O7

H

Z

Z

L

Outputs

O8–O15

H

Z

Z

L

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