74LVX139M 데이터 시트보기 (PDF) - STMicroelectronics

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74LVX139M

LOW VOLTAGE CMOS DUAL 2 TO 4 DECODER/DEMULTIPLEXER

STMicroelectronics 

74LVX139

INPUT EQUIVALENT CIRCUIT

TRUTH TABLE

ENABLE

nG

H

L

L

L

L

X : Don’t Care

n: 1, 2.

INPUTS

SELECT

nB

nA

X

X

L

L

L

H

H

L

H

H

LOGIC DIAGRAM

PIN DESCRIPTION

PIN No

1, 15

2, 3

4, 5, 6, 7

12, 11, 10, 9

14, 13

8

16

SYMBOL NAME AND FUNCTION

1G, 2G

1A, 1B

1Y0 to 1Y3

2Y0 to 2Y3

2A, 2B

GND

VCC

Enable Inputs

Address Inputs

Outputs

Outputs

Address Inputs

Ground (0V)

Positive Supply Voltage

OUTPUTS

nY0

nY1

nY2

nY3

H

H

H

H

L

H

H

H

H

L

H

H

H

H

L

H

H

H

H

L

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