74LVC257APW,118 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

74LVC257APW,118

Quad 2-input multiplexer with 5 V tolerant inputs/outputs; 3-state

NXP Semiconductors. 

Nexperia

74LVC257A

Quad 2-input multiplexer with 5V tolerant; 3-state

5.2 Pin description

Table 2.

Symbol

S

1I0

1I1

1Y

2I0

2I1

2Y

GND

3Y

3I1

3I0

4Y

4I1

4I0

OE

VCC

Pin description

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Description

common data select input

data input from source 0

data input from source 1

3-state multiplexer output

data input from source 0

data input from source 1

3-state multiplexer output

ground (0 V)

3-state multiplexer output

data input from source 1

data input from source 0

3-state multiplexer output

data input from source 1

data input from source 0

3-state output enable input (active LOW)

supply voltage

6. Functional description

Table 3. Function table[1]

Input

OE

S

nI0

nI1

H

X

X

X

L

H

X

L

L

H

X

H

L

L

L

X

L

L

H

X

[1] H = HIGH voltage level

L = LOW voltage level

X = don’t care

Z = high-impedance OFF-state

Output

nY

Z

L

H

L

H

74LVC257A

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 6 — 28 November 2011

© Nexperia B.V. 2017. All rights reserved

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