HD74LS253 Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Lista de partido

HD74LS253

Dual 4-line-to-1-line Data Selectors / Multiplexers (with three-state outputs)

Renesas Electronics 

HD74LS253

Function Table

Select inputs

Data inputs

B

A

C0

C1

C2

X

X

X

X

X

L

L

L

X

X

L

L

H

X

X

L

H

X

L

X

L

H

X

H

X

H

L

X

X

L

H

L

X

X

H

H

H

X

X

X

H

H

X

X

X

Notes: 1. H; high level, L; low level, X; irrelevant

2. Address inputs A and B are common to both sections.

Block Diagram

Output 1G

Control

1C0

1C1

Data 1

1C2

1C3

B

Select

A

2C0

2C1

Data 2

2C2

2C3

Output

2G

Control

Output

control

Output

C3

G

Y

X

H

Z

X

L

L

X

L

H

X

L

L

X

L

H

X

L

L

X

L

H

L

L

L

H

L

H

Output

1Y

Output

2Y

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

7

V

Input voltage

VIN

7

V

Output voltage (off-state)

Operating temperature

VO (off)

5.5

V

Topr

–20 to +75

°C

Power dissipation

Storage temperature

PT

Tstg

400

mW

–65 to +150

°C

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

Rev.3.00, Jul.15.2005, page 2 of 5

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