HD74HC155 Datasheet, PDF(3/9 Page) Hitachi Semiconductor – Dual 2-to-4-line Decoders/Demultiplexers

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HD74HC155 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Dual 2-to-4-line Decoders/Demultiplexers

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Pin Arrangement

HD74HC155

Data

1C

1

Strobe

1G

2

Select

Input B

3

1Y3 4

1Y2 5

Outputs

1Y1 6

1Y0 7

GND 8

1Y3

1Y2

B

1Y1 B

A

1Y0 A

2Y3

B

B 2Y2

A

A 2Y1

16 VCC

15

Data

2C

14

Strobe

2G

13

Select

Input A

12 2Y3

11 2Y2

10 2Y1

Outputs

2Y0

9 2Y0

(Top view)

3

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