HD74LS641 Просмотр технического описания (PDF) - Renesas Electronics

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HD74LS641

Octal Bus Transceivers (non-inverted open-collector outputs)

Renesas Electronics 

HD74LS641

Function Table

Note:

Enable

G

L

L

H

H; high level, L; low level, X; irrelevant

Direction Control

DIR

L

H

X

Operation

B data to A bus

A data to B bus

Isolation

Block Diagram

Enable G

Transceiver (1/8)

B

A

Direction

Control DIR

Absolute Maximum Ratings

Item

Symbol

Ratings

Supply voltage

VCC

7

Input voltage

VIN

7

Power dissipation

PT

400

Storage temperature

Tstg

–65 to +150

Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.

Recommended Operating Conditions

Item

Supply voltage

Output voltage

Output current

Operating temperature

Symbol

VCC

VOH

IOL

Topr

Min

4.75

—

—

–20

Typ

5.00

—

—

25

Max

5.25

5.5

24

75

Unit

V

V

mW

°C

Unit

V

V

mA

°C

Rev.2.00, Feb.18.2005, page 2 of 6

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