74HC155 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

74HC155

Dual 2-to-4-line Decoders/Demultiplexers

Hitachi -> Renesas Electronics 

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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