100329A Просмотр технического описания (PDF) - Fairchild Semiconductor

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100329A

Low Power Octal ECL/TTL Bidirectional Translator with Register

Fairchild Semiconductor 

Truth Table

ECL

TTL

OE

DIR

CP

Notes

Port

Port

L

L

X

Input

Z

1, 3

L

H

X

LOW Input

2, 3

(Cut-Off)

H

L

[N]

L

L

1

H

L

[N]

H

H

1

H

L

L

X

NC

1, 3

H

H

[N]

L

L

2

H

H

[N]

H

H

2

H

H

L

NC

X

2, 3

H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

Z = High Impedance

[N] = LOW-to-HIGH Clock Transition

NC = No Change

Functional Diagram

Detail

Note 1: ECL input to TTL output mode.

Note 2: TTL input to ECL output mode.

Note 3: Retains data present before CP.

Note: DIR and OE use ECL logic levels

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