74F251A Philips, 74F251A Datasheet - Page 2

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74F251A

Manufacturer Part Number

74F251A

Description

8-input multiplexer 3-State

Manufacturer

Philips

Datasheet

1.74F251A.pdf (5 pages)

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Philips Semiconductors

LOGIC DIAGRAM

FUNCTION TABLE

NOTES:

H = High voltage level

L = Low voltage level

X = Don’t care

Z = High impedance “off” state

1996 Jan 05

V

GND = Pin 8

8-input multiplexer (3-State)

CC

S2

X

H

H

H

H

L

L

L

L

= Pin 16

OE

S0

S1

S2

S1

H

H

H

H

X

L

L

L

L

INPUTS

10

11

9

7

S0

X

H

H

H

H

L

L

L

L

OE

H

L

L

L

L

L

L

L

L

I0

I1

I2

I3

I4

I5

I6

I7

Y

Z

OUTPUTS

I0

4

I0

I1

I2

I3

I4

I5

I6

I7

Y

Z

I1

3

2

I2

2

I3

1

Y

I4

5

15

I5

Y

14

6

I6

13

I7

12

Product specification

74F251A

SF00781

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