74LVC244AMN2TWG datasheet(2/10 Pages) ONSEMI

Part #	74LVC244AMN2TWG

Description	Low-Voltage CMOS Octal Buffer

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74LVC244A

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Figure 1. Pinout: 20−Lead (Top View)

PIN NAMES

FUNCTION

Output Enable Inputs

Data Inputs

3−State Outputs

PINS

nOE

1Dn, 2Dn

1On, 2On

TRUTH TABLE

OUTPUTS

INPUTS

L

H

1OE

2OE

1Dn

2Dn

L

H

X

L

H

Z

H = High Voltage Level

L = Low Voltage Level

Z = High Impedance State

X = High or Low Voltage Level and Transitions are Acceptable

For ICC reasons, DO NOT FLOAT Inputs

Figure 2. Logic Diagram

19

20

18

17

16

15

14

2

1

3

4567

VCC

13

8

12

9

11

10

2OE

1O0

2D0

1O1

2D1

1O2

2D2

1O3

2D3

1OE

1D0

2O0

1D1

2O1

1D2

2O2

1D3

2O3

GND

1OE

1

1D0

2

1O0

18

1D1

4

1O1

16

1D2

6

1O2

14

1D3

8

1O3

12

2OE

19

2D0

17

2O0

3

2D1

15

2O1

5

2D2

13

2O2

7

2D3

11

2O3

9

1On, 2On

PIN #1

29

19

12

20

10

11

QFN

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74LVC244AMN2TWG Datasheet(PDF) 2 Page - ON Semiconductor

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