HD74LS240 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS240

Octal Buffers / Line Drivers / Line Receivers (inverted three-state outputs)

Renesas Electronics 

HD74LS240

Function Table

Note:

Inputs

G

A

H

X

L

H

L

L

H; high level, L; low level, X; irrelevant, Z; off (high-impedance) state of a 3-state output

Output

Y

Z

L

H

Block Diagram (1/2)

A1

Y1

A2

Y2

A3

Y3

A4

Y4

G

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 current

Operating temperature

Symbol

VCC

IOH

IOL

Topr

Min

4.75

—

—

–20

Typ

5.00

—

—

25

Max

5.25

–15

24

75

Unit

V

V

mW

°C

Unit

V

mA

mA

°C

Rev.2.00, Feb.18.2005, page 2 of 5

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