HC257 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

HC257

Quad. 2-to-1-line Data Selectors/Multiplexers (with noninverted 3-state outputs)

Hitachi -> Renesas Electronics 

Logic Diagram

1A

1B

2A

2B

3A

3B

4A

4B

Select

Output

control

HD74HC257

VCC

1Y

VCC

2Y

VCC

3Y

VCC

4Y

3

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