SN74LS151N datasheet(3/8 Pages) ONSEMI

No de pièce	SN74LS151N

Description	LOW POWER SCHOTTKY

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SN74LS151

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LOGIC DIAGRAM

S2

S1

S0

E

I0

I1

I2

I3

I4

I5

I6

I7

Z

14

1

2

6

7

3

4

5

9

11

12

10

13

15

VCC = PIN 16

GND = PIN 8

= PIN NUMBERS

FUNCTIONAL DESCRIPTION

The LS151 is a logical implementation of a single pole,

8-position switch with the switch position controlled by the

state of three Select inputs, S0, S1, S2. Both assertion and

negation outputs are provided. The Enable input (E) is active

LOW. When it is not activated, the negation output is HIGH

and the assertion output is LOW regardless of all other

inputs. The logic function provided at the output is:

Z = E

⋅ (I0 ⋅ S0 ⋅ S1 ⋅ S2 + ⋅ I1 ⋅ S0 ⋅ S1 ⋅ S2 + I2 ⋅ S0 ⋅ S1 ⋅ S2

+ I3 ⋅ S0 ⋅ S1 ⋅ S2 + I4 ⋅ S0 ⋅ S1 ⋅ S2 + I5 ⋅ S0 ⋅ S1 ⋅ S2 + I6 ⋅

S0 ⋅ S1 ⋅ S2 + I7 ⋅ S0 ⋅ S1 ⋅ S2).

The LS151 provides the ability, in one package, to select

from eight sources of data or control information. By proper

manipulation of the inputs, the LS151 can provide any logic

function of four variables and its negation.

TRUTH TABLE

E

S2

S1

S0

I0

I1

I2

I3

I4

I5

I6

I7

Z

H

X

H

L

LLL

X

XXXX

XX

H

L

LL

H

X

XXXX

XX

L

H

L

LH

X

L

XXXX

XX

H

L

LH

X

H

XXXX

XX

L

H

L

HL

X

L

XXX

XX

H

L

HL

X

H

XXX

XX

L

H

L

HH

X

XX

L

X

XX

X

H

L

HH

X

XX

H

X

XX

X

L

H

L

H

LL

X

XX

X

L

XX

X

H

L

H

LL

X

XX

X

H

XX

X

L

H

L

H

LH

X

XXX

L

X

H

L

H

LH

X

XXX

H

X

L

H

L

H

HL

X

XXXX

L

X

H

L

H

HL

X

XXXX

H

X

L

H

L

H

HH

X

XXXX

X

L

H

L

H

X

H

L

H

H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

Numéro de pièce similaire - SN74LS151N

Fabricant	No de pièce	Fiches technique	Description
Motorola, Inc	SN74LS151N	174Kb / 5P	8-INPUT MULTIPLEXER
Texas Instruments	SN74LS151N	822Kb / 22P	[Old version datasheet] DATA SELECTORS/MULTIPLEXERS
	SN74LS151N	1Mb / 32P	[Old version datasheet] DATA SELECTORS/MULTIPLEXERS
	SN74LS151N	1Mb / 25P	[Old version datasheet] DATA SELECTORS/MULTIPLEXERS
	SN74LS151N	1Mb / 24P	[Old version datasheet] DATA SELECTORS/MULTIPLEXERS

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